Aljabar, Muhammad Wahid Malik, and Sawarni Hasibuan. “Performance Evaluation of After-Sales Service Partners in the Power Tools Industry”. Jurnal Sistem dan Manajemen Industri 5, no. 2 (December 31, 2021): 105-114. Accessed April 17, 2024. https://e-jurnal.lppmunsera.org/index.php/JSMI/article/view/3985.