“Determinan Produktivitas Usahatani Jagung (Zea mays. L) ”. Jurnal Sosial Ekonomi Pertanian 21, no. 1 (Maret 23, 2025): 19–32. Diakses Agustus 20, 2026. https://journal.unhas.ac.id/index.php/jsep/article/view/43574.