Tanjung, Siti Fatimah. “Inventory Processing Information System Design at PT. Alfa Scorpii Medan With Fixed Rate Method”. Journal Basic Science and Technology 12, no. 1 (February 28, 2023): 33-40. Accessed May 2, 2026. https://www.iocscience.org/ejournal/index.php/JBST/article/view/3764.