Gandhy, Abel, Ambara Purusottama, and Teddy Trilaksono. 2026. “Evaluating Service Quality of Dairy Farmers’ Cooperatives in Supporting Local Milk Producers Amid Declining Productivity”. Jurnal Ilmiah Manajemen Kesatuan 14 (1):1081-94. https://doi.org/10.37641/jimkes.v14i1.4561.