Saleem, Waqas, Hassan Ijaz, Ahmed Alzahrani, Saeed Rubaiee, and Muhammad A Khan. “Assessment of Optimal Production Through Assembly Line-Balancing and Product-Mix Flexibility”. International Journal of Engineering and Technology 7, no. 4.16 (November 27, 2018): 32–36. Accessed August 16, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/21775.