Musarofah, Fitriatul, and Benny Arif Pambudiarto. “Feasibility Study of Legen Drinks in Gresik Regency”. Formosa Journal of Applied Sciences 3, no. 7 (August 2, 2024): 3143–3156. Accessed January 31, 2026. https://journal.formosapublisher.org/index.php/fjas/article/view/10346.