Saleem, Waqas, Hassan Ijaz, Ahmed Alzahrani, Saeed Rubaiee, and Muhammad A Khan. 2018. “Assessment of Optimal Production Through Assembly Line-Balancing and Product-Mix Flexibility”. International Journal of Engineering & Technology 7 (4.16): 32-36. https://doi.org/10.14419/ijet.v7i4.16.21775.