Suseno, and Ilman Adi Permana. “ANALISIS CUSTOMER SATISFACTION INDEX TERHADAP KINERJA J&T EXSPRESS MENGGUNAKAN METODE SERVQUAL DAN IMPORTANCE PERFORMANCE ANALYSIS (IPA) STUDI KASUS J&T EXSPRESS BANJAR”. Jurnal Cakrawala Ilmiah 1, no. 6 (February 22, 2022): 1205–1218. Accessed July 5, 2025. https://mail.bajangjournal.com/index.php/JCI/article/view/1487.