et. al., Hanan Ali Chachan,. “Approximation Methods to Solve a Single Machine Scheduling Problem With Fuzzy Due Date to Minimize Multi-Objective Functions”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 11 (May 10, 2021): 704–713. Accessed May 2, 2024. https://turcomat.org/index.php/turkbilmat/article/view/5953.