Ningsih, Yuni Dwi Puspita, and Dhanang Eka Putra. 2025. “Value Chain and Added Value in Goat Milk-Based Enterprise: A Case Study of Kefir Jember ”. Journal of Supply Chain and Entrepreneurship 1 (1):13-19. https://doi.org/10.64268/josce.v1i1.5.