[1]
Y. Sigiro, E. M. B. Surbakti, S. L. Batu, Y. Sitanggang, C. M. Sitepu, and E. S. Harahap, “The Effect of Production Input on Corn Farmers’ Income Growth in Karo Land.”, edumaspul, vol. 9, no. 2, pp. 1211-1219, Oct. 2025.