Dirin, Y.Y. dan Mutiarni, R. 2019. The Effect Of Quality Products On Excelsa Coffee Jegidik Customer Satisfaction At Rumah Makan Durian Wonosalam. SEMINAR NASIONAL EKONOMI DAN BISNIS. 1, 1 (Sep 2019). DOI:https://doi.org/10.26533/sneb.v1i1.862.