Q. C. Ta, “Minimizing Total Tardiness in the m-Machine Flow-Shop Problem by Heuristic Algorithms”, IJSBAR, vol. 41, no. 1, pp. 133–147, Aug. 2018, Accessed: Sep. 18, 2025. [Online]. Available: https://gssrr.org/JournalOfBasicAndApplied/article/view/9250