Wiranti D, Sihombing V, Munthe IR. Penerapan Konsep Fuzzy dalam Mengamati Kualitas Pelayanan di Café Hitam Putih. JIKOMSI [Internet]. 2023Mar.30 [cited 2025Nov.7];6(1):9-13. Available from: http://ejournal.sisfokomtek.org/index.php/jikom/article/view/1549