Zahedi, Zahedi. “Integer Relaxation on Binary Quadratic Programming for Batching and Sequencing in Single Formulation to Minimize Total Actual Flow Times Criteria”. ComTech: Computer, Mathematics and Engineering Applications 2, no. 2 (December 1, 2011): 1083-1088. Accessed March 28, 2025. https://journal.binus.ac.id/index.php/comtech/article/view/2857.