Alias, M. B., Black, T. R. & Gray, D. E. (2002). Effect of instructions on spatial visualization ability in civil engineering students. International Education Journal, 3(1), 1–12.
Arici, S. (2012). The effect of origami-based instruction on spatial visualization, geometry achievement and geometric reasoning of tenth-grade students (Master’s thesis). Boğaziçi University, Istanbul, Turkey
Arici, S. & Tutak, F. A. (2013). Using origami to enhance geometric reasoning and achievement. Paper presented at the Eighth Congress of European Research in Mathematics Education (CERME 8), Antalya, Turkey.
Baki, A., Kosa, T. & Guven, B. (2011). A comparative study of the effects of using dynamic geometry software and physical manipulatives on the spatial visualization skills of pre-service mathematics teachers. British Journal of Educational Technology, 42(2), 291–310.
Bayrak, M. E. (2008). Investigation of effect of visual treatment on elementary school student’s spatial ability and attitude toward spatial ability problems. M.S. thesis, Middle East Technical University.
Boakes, N. J. (2006). The effects of origami lessons on students’ spatial visualization skills and achievement levels in a seventh-grade mathematics classroom. Ph.D. thesis, Temple University.
Çakmak, S. (2009). An investigation of the effect of origami-based instruction on elementary students’ spatial ability in mathematics. M.S. thesis, Middle East Technical University.
Cañadas, M., Molina, M., Gallardo, S., Martinez-Santaolalla, M. & Peñas, M. (2010). Let’s teach geometry. Mathematics Teaching, 218, 32–37.
Chang, W. & Chang, W. (2011). Computer enhanced instruction: A case study of a series of creative math activities design. International Journal of Technology Enhanced Learning, 3(4), 441–451.
Choi-Koh, S. S. (1999). A student’s learning of geometry using the computer. The Journal of Educational Research, 92(5), 301–311.
Clements, D. H. & Battista, M. T. (1992). Geometry and spatial reasoning. In D. A. Grouws (Ed.), Handbook of research on mathematics teaching and learning: A project of the national council of teachers of mathematics (pp. 420–464). Reston, VA: NCTM.
Coad, L. (2006). Paper folding in the middle school classroom and beyond. The Australian Mathematics Teacher, 62(1), 6–13.
Delialioğlu, Ö. (1996). Contribution of students’ logical thinking ability, mathematical skills and spatial ability on achievement in secondary school physics. M.S. thesis, Middle East Technical University.
Duval, R. (1998). Geometry from a cognitive point of view. In C. Mammana & V. Villani (Eds.), Perspectives on the teaching of geometry for the 21
century: An ICMI study (pp. 37–52). Dordrecht: Kluwer.
Ekstrom, R. B., French, J. W. & Harman, H. H. (1976). Manual for kit of factor-referenced cognitive tests. Princeton, NJ: Educational Testing Service.
Franco, B. (1999). Unfolding mathematics with unit origami. Emeryville: Key Curriculum Press.
Georgeson, J. (2011). Fold in origami and unfold math. Mathematics Teaching in the Middle School, 16(6), 354–361.
Gjǿvik, Ǿ. (2012). Flying high with the bird tetrahedron. Mathematics Teacher, 106(1), 16–21.
Hull, T. (2006). Project origami: Activities for exploring mathematics. Wellesley: A. K. Peters.
Jacobs, H. R. (2003). Geometry: Seeing, doing, understanding (3rd ed.). New York: W. H. Freeman and Company.
Jones, A. (2010). Secondary school mathematics teachers’ views of manipulatives and their use in the classroom. M.A. thesis, University of Ottawa.
Karaman, T. (2000). The relationship between gender, spatial visualization, spatial orientation, flexibility of closure abilities and the performances related to plane geometry subject of the sixth grade students. M.S. thesis, Bogazici University.
Kavici, M. (2005). Gelişimsel origami eğitim programının okul öncesi dönem çocuklarının çok boyutlu gelişimlerine etkilerinin incelenmesi. M.S. thesis, Hacettepe University.
Kayhan, E. B. (2005). Investigation of high school students’ spatial ability. M.S. thesis, Middle East Technical University.
Miles, V. L. (2011). Modular origami: Moving beyond cubes. Mathematics Teaching in the Middle School, 17(3), 180–187.
Milli Eğitim Bakanlığı [MEB] (2010a). Ortaöğretim geometri dersi 9.-10. sınıflar öğretim programı.
Milli Eğitim Bakanlığı [MEB] (2010b). Ortaöğretim geometri 10 ders kitabı. Ankara: Başak Yayınları.
National Council of Teachers of Mathematics. [NCTM] (2009). Focus in high school mathematics: Reasoning and sense making. Reston, VA:NCTM.
Newcombe, N. S. (2010). Picture this: Increasing math and science learning by improving spatial thinking. American Educator, 8, 29–43.
Olkun, S. (2003). Making connections: Improving spatial abilities with engineering drawing activities. International Journal of Mathematics Teaching and Learning, 1-10.
Olson, A. T. (1975). Mathematics through paper folding. Reston, VA: NCTM.
Panaoura, G., Gagatsis, A. & Lemonides, C. (2007). Spatial abilities in relation to performance in geometry tasks. In D. Pitta-Pantazi & G. Philippou (Eds.), Proceedings of the Fifth Congress of the European Society for Research in Mathematics Education (pp. 1062–1071). Cyprus: Larnaca.
Pittalis, M., Mousoulides, N. & Christou, C. (2007). Spatial ability as a predictor of students’ performance in geometry. In D. Pitta-Pantazi & G. Philippou (Eds.), Proceedings of the Fifth Congress of the European Society for Research in Mathematics Education (pp. 1072–1081). Cyprus: Larnaca.
Robichaux, R. R. & Rodrigue, P. R. (2003). Using origami to promote geometric communication. Mathematics Teaching in the Middle School, 9(4), 223–229.
Russell, R. A. (2011). Is there a best rectangle? Mathematics Teacher, 105(4), 255–260.
Sağsöz, D. A. (2008). İlköğretim 6. sınıflardaki kesirler konusunun origami yardımıyla öğretimi. M.S. Thesis, Atatürk University.
Sastry, S. (2012). Paper folding and the theorem of Pythagoras. At Right Angles, 1(1), 48–52.
Smith, S. G. (2003). Paper folding and conic sections. Mathematics Teacher, 96(3), 202–207.
Smith, R. C. (2010). A comparison of middle school students’ mathematical arguments in technological and non-technological environments. Ph.D. thesis, North Carolina State University.
Taşova, H. I., & Delice, A. (2011). An analysis of pre-service mathematics teachers’ performance in modelling tasks in terms of spatial visualization ability. In C. Smith (Ed.), Proceedings of the British Society for Research into Learning Mathematics, 31(3), 1-6.
Tekin, A. T. (2007). Dokuzuncu ve on birinci sınıf öğrencilerinin zihinde döndürme ve uzamsal görselleştirme yeteneklerinin karşılaştırmalı olarak incelenmesi. M.S. thesis, Ankara University.
Tuğrul, B. & Kavici, M. (2002). Kağıt katlama sanatı ve öğrenme. Pamukkale Üniversitesi Eğitim Fakültesi Dergisi, 1(11), 1–17.
Turgut, M. & Yılmaz, S. (2012). Relationships among preservice primary mathematics teachers’ gender, academic success and spatial ability. International Journal of Instruction, 5(2), 1–16.
Uttal, D. H. & Cohen, C. A. (2012). Spatial thinking and STEM education: When, why, and how? Psychology of Learning and Motivation, 57, 147–181.
van de Walle, J. A. (2007). Elementary and middle school mathematics: Teaching developmentally (6th ed.). Boston: Pearson Education, Inc.
van Hiele, P.M. (1959/1985). The child’s thought and geometry. In D. Fuys, D. Geddes & R. Tischler (Eds.), English translation of selected writings of Dina van Hiele-Geldof and Pierre M. van Hiele (pp. 243-252). Brooklyn, NY: Brooklyn College, School of Education.
Wares, A. (2011). Using origami boxes to explore concepts of geometry and calculus. International Journal of Mathematical Education in Science and Technology, 42(2), 264–272.
Yolcu, B. & Kurtuluş, A. (2010). A study on developing sixth-grade students’ spatial visualization ability. Ilkogretim-Online, 9(1), 256–274.
Yuzawa, M. & Bart, W. M. (2002). Young children’s learning of size comparison strategies: Effect of origami exercises. Journal of Genetic Psychology, 163(4), 459–478.