WIDYASTUTIK; FirdausM.; AminahM.; PanjaitanD. V. Benefits Analysis of Balanced Fertilizer Costs in the Order of Optimal Nutrition Fulfillment: RIA Approach: IPB University. JURNAL EKONOMI DAN KEBIJAKAN PEMBANGUNAN, v. 11, n. 1, p. 35-55, 30 Jul. 2022.