Dea Handayani Juniar, Wigena AH, Utami Dyah Syafitri. D-Optimal Design for Mixture Process Variable with Split-Plot Approach Using a Genetic Algorithm . IJSBAR. 2021;60(4):360-375. Accessed February 5, 2026. https://www.gssrr.org/JournalOfBasicAndApplied/article/view/13562