Lotfi , Azzabi, Azzabi Dorra, and Abdessamad Kobi. “Fuzzy Goal Programming Technique for Multi-Objective Optimisation Problem”. Research and Applications Towards Mathematics and Computer Science Vol. 5 (October 16, 2023): 38–53. Accessed June 13, 2026. https://stm.bookpi.org/RATMCS-V5/article/view/12214.