“Analisis Kelayakan Usaha Produksi Stik Ubi Jalar Ungu: The Analysis of Production Business Feasibility of Purple Sweet Potato Sticks”. Journal of Food Industrial Technology 3, no. 1 (Januari 30, 2026): 22–39. Diakses November 8, 2026. https://publikasi.polije.ac.id/jofit/article/view/6852.