Gandhy, Abel, Ambara Purusottama, and Teddy Trilaksono. “Evaluating Service Quality of Dairy Farmers’ Cooperatives in Supporting Local Milk Producers Amid Declining Productivity”. Jurnal Ilmiah Manajemen Kesatuan 14, no. 1 (January 31, 2026): 1081–1094. Accessed June 4, 2026. https://jurnal.ibik.ac.id/index.php/jimkes/article/view/4561.