Lubis, S. Y., F. A. B. Panjaitan, and L. Manao. “ANALISIS USAHATANI BELIMBING (Averhoa Carambola)”. AGRISENTRUM, vol. 1, no. 1, May 2023, pp. 20-30, https://univamedan.ac.id/ejurnal/index.php/agrisentrum/article/view/475.