M. A. Y. Pagala and Nurdiyah, “Model Kelembagaan Agribisnis Kopi di Sulawesi Barat: Institutional model of coffee agribusiness in West Sulawesi”, Analisis Kebijak. Pertan., vol. 24, no. 1, pp. 93–110, Jun. 2026, doi: 10.21082/akp.v24n1.2026.93-110.