Asadujjaman, M, and M Babul Hasan. “A Proposed Technique for Solving Quasi-Concave Quadratic Programming Problems With Bounded Variables by Objective Separable Method”. Dhaka University Journal of Science 64, no. 1 (June 28, 2016): 51–58. Accessed May 4, 2024. https://www.banglajol.info/index.php/DUJS/article/view/28524.