Sibarani, Tombak L M, Gunawan Tri, and Juli Herman. “Optimization of Human Resource Planning to Support the Nutritious Free Meal Program As an Effort to Build a Robust National Defense”. Journal of Industrial Engineering & Management Research 6, no. 3 (June 23, 2025): 103-109. Accessed October 27, 2025. https://www.jiemar.org/index.php/jiemar/article/view/590.