Putra, Nopiansyah. 2022. “Analysis of the Effect of Harvest Area, Agricultural Credit, Labor, on Food Production (Rice and Corn) in North Sumatra”. Inspirasi & Strategi (INSPIRAT): Jurnal Kebijakan Publik & Bisnis 13 (1):12-22. https://doi.org/10.35335/inspirat.v13i1.159.