A. Muthiah Nur Angriany, Anik Djuraidah, and Utami Dyah Syafitri, “D-Optimal Design for Mixture Amount Experiment Involving Split-Plot Design”, IJSBAR, vol. 60, no. 4, pp. 386–397, Dec. 2021, Accessed: Nov. 07, 2025. [Online]. Available: https://gssrr.org/JournalOfBasicAndApplied/article/view/13561