MUHAMMAD FENDY PRADANA; MOHAMMAD YASKUN; EVI FIJROTUN. Optimization of Customer Service Quality Using ISO 9001:2015 Principles at PT. Trust Pearl. Jurnal Ekonomi, Akuntasi dan manajemen Indonesia (JEAMI), [S. l.], v. 3, n. 01, p. 63–68, 2024. Disponível em: https://jurnal.seaninstitute.or.id/index.php/Juemi/article/view/1004. Acesso em: 5 aug. 2026.