“Determinan Pendapatan Petani Kopi: Analisis Regresi Logistik di Kabupaten Toraja Utara”, j.sos.ekon.pertan., vol. 21, no. 2, hlm. 117–134, Nov 2025, Diakses: Agu 20, 2026. Tersedia pada: https://journal.unhas.ac.id/index.php/jsep/article/view/47295