Fitri, Saidatul, Sri Widayanti, and Dita Atasa. “ANALYSIS OF COST OF GOODS PRODUCED AND VALUE-ADDED AT UMKM TEMPE "TROSOBO&Quot; TUBAN”. International Journal of Economy, Education and Entrepreneurship (IJE3) 4, no. 1 (April 25, 2024): 29–35. Accessed April 16, 2026. http://www.ije3.esc-id.org/index.php/home/article/view/232.