Frieyadie, Frieyadie, and Dewi Alramuri. “IMPLEMENTASI METODE FUZZY SERVQUAL UNTUK MENILAI PELAYANAN CUSTOMER SERVICE TERHADAP KEPUASAN PELANGGAN DI PT. TELKOM”. Jurnal Techno Nusa Mandiri 14, no. 2 (September 15, 2017): 111–116. Accessed March 3, 2026. https://www.ejournal.nusamandiri.ac.id.103-80-238-135.cpanel.site/index.php/techno/article/view/193.