Robiah Al-Adawiyah, Devi Ritonga, and Muhammad Syahrizal. “Sistem Pendukung Keputusan Pemilihan Customer Service Terbaik Menggunakan Metode WASPAS (Weight Aggregated Sum Product Assesment)”. Journal of Decision Support System Research 1, no. 2 (January 30, 2024): 77-84. Accessed October 15, 2025. https://journals.adaresearch.or.id/dss/article/view/38.