Sopandi, Hendra, and Miftahudin. “Analisis Strategi Pemasaran Teh Celup Walini Industri Hilir PTPN VIII Berdasarkan Perspektif Syariah”. As-Syirkah: Islamic Economic & Financial Journal 3, no. 2 (June 27, 2025): 908–918. Accessed February 21, 2026. https://journal-ikadi.com/ojs/index.php/assyirkah/article/view/258.