David D, Sari MK, Siregar SH. The Analysis of Phosphorus and Potassium As Macronutrients And Zinc As A Micronutrient In Solid Organic Fertilizer Derived From Biowaste As An Applied Science Innovation Supporting SDG 2, 9, And 12. UJAS [Internet]. 2025 Dec. 1 [cited 2026 Feb. 15];5(2). Available from: https://e-journal.urecol.org/index.php/ujas/article/view/274