Eni, Yuli, and Bachtiar H. Simamora. “Aggregate Planning Using Overtime and Adding Number of Employees to Meet the Convection Industry’s Demand”. International Journal of Organizational Business Excellence 5, no. 1 (July 12, 2022): 55–68. Accessed July 12, 2026. https://journal.binus.ac.id/index.php/ijobex/article/view/8709.