Ningsih, Yuni Dwi Puspita, and Dhanang Eka Putra. “Value Chain and Added Value in Goat Milk-Based Enterprise: A Case Study of Kefir Jember ”. Journal of Supply Chain and Entrepreneurship 1, no. 1 (March 30, 2025): 13–19. Accessed December 30, 2025. https://www.ejournal.spdfharmony.com/index.php/josce/article/view/5.