Modibbo, U. M., Samson, O., & Hafisu, R. (2015). Profit Maximization in a Product Mix Company Using Linear Programming Approach to Resource Allocation. International Journal of Sciences: Basic and Applied Research (IJSBAR), 24(4), 46-52. https://www.gssrr.org/JournalOfBasicAndApplied/article/view/4440