Mutiara, Nur Yanti, Kamil Erwansyah, Badrul Anwar, and Sri Kusnasari. “Implementation Decision Support System in Determining Suppliers Using Wsm Method”. Jurnal Mantik 6, no. 4 (February 28, 2023): 3793-3799. Accessed June 26, 2026. https://www.ejournal.iocscience.org/index.php/mantik/article/view/3544.