Philip Yudha Gabriel, and Mitra Musika Lubis. “Sustainability Analysis of Coffee Agribusiness in Indonesia: Environmental, Economic, and Social Perspectives”. International Journal of Health, Economics, and Social Sciences (IJHESS) 7, no. 2 (April 24, 2025): 788~795. Accessed August 7, 2025. https://www.jurnal.unismuhpalu.ac.id/index.php/IJHESS/article/view/7284.