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1 Correction to: Soft Computing (2021) 25:13549–13565 https://doi.org/10.1007/s00500-021-06061-0
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Liu, X., Yue, R., Zhang, Z. et al. Correction: G-optimal designs for hierarchical linear models: an equivalence theorem and a nature-inspired meta-heuristic algorithm. Soft Comput 26, 8947 (2022). https://doi.org/10.1007/s00500-022-07374-4
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DOI: https://doi.org/10.1007/s00500-022-07374-4