Lingga, Silvia Wardana Br, Ahmad Fadlan, and Anggia Ramadhan. “The Effect of Sweet Orange (Citrus Sp) Cultivation on Increasing Farmers’ Income in Partibi Lama Village, Merek District, Karo Regency”. EDUCTUM: Journal Research 4, no. 4 (July 28, 2025): 101–109. Accessed August 1, 2025. https://jurnal.larisma.or.id/index.php/EJR/article/view/1218.