1. In this issue

   • Rachel Harrison

   EditorialNotes 18 November 2019 Pages: 1381 - 1382

2. An efficient regression testing approach for PHP Web applications using test selection and reusable constraints

   • Ravi Eda
   • Hyunsook Do

   Regular Submission 11 June 2019 Pages: 1383 - 1417

   

3. A partial oracle for uniformity statistics

   • Krishna Patel
   • Robert M. Hierons

   OriginalPaper Open access 20 August 2019 Pages: 1419 - 1447

   

4. The skills that employers look for in software testers

   • Raluca Florea
   • Viktoria Stray

   OriginalPaper 28 August 2019 Pages: 1449 - 1479

   

5. Pieces of contextual information suitable for predicting co-changes? An empirical study

   • Igor Scaliante Wiese
   • Rodrigo Takashi Kuroda
   • Marco Aurelio Gerosa

   OriginalPaper 03 July 2019 Pages: 1481 - 1503

   

6. Analysis and measurement of internal usability metrics through code annotations

   • Maximilian Schramme
   • José A. Macías

   OriginalPaper 04 July 2019 Pages: 1505 - 1530

   

7. Quality-centric security pattern mutations

   • Abbas Javan Jafari
   • Abbas Rasoolzadegan

   OriginalPaper 24 July 2019 Pages: 1531 - 1561

   

8. Variation of risk profile across software life cycle in IS outsourcing

   • Srikrishnan Sundararajan
   • Bhasi Marath
   • Pramod K. Vijayaraghavan

   OriginalPaper 17 August 2019 Pages: 1563 - 1582

   

9. Algorithms for estimating truck factors: a comparative study

   • Mívian Ferreira
   • Thaís Mombach
   • Kecia Ferreira

   OriginalPaper 29 August 2019 Pages: 1583 - 1617