IDA RAHAYU. “ANALISIS PENERAPAN STANDAR OPERASIONAL PROSEDUR (SOP) PRAMUSAJI DI DE CLIFF CAFE DE BINTAN VILLA”. JURNAL EKONOMI, SOSIAL & HUMANIORA 6, no. 02 (July 19, 2024): 237-246. Accessed August 29, 2025. https://jurnalintelektiva.com/index.php/jurnal/article/view/1075.