Widyastutik, Firdaus M, Aminah M, Panjaitan DV. Benefits Analysis of Balanced Fertilizer Costs in the Order of Optimal Nutrition Fulfillment: RIA Approach: IPB University. JEKP [Internet]. 2022Jul.30 [cited 2024Apr.19];11(1):35-. Available from: https://journal.ipb.ac.id/index.php/jekp/article/view/39166