Saragih RS, Purnama I, Manalu D. Tingkat Kepuasan Pelayanan Sales di PT. Sutan Indo Aneka Mobil Menggunakan Metode Weighted Sum Model (WSM). bit [Internet]. 2023Mar.27 [cited 2026May6];4(1):121 -129. Available from: https://journal.fkpt.org/index.php/BIT/article/view/523