Purba, Jonner. “EFEKTIVITAS PENAMBAHAN PUPUK HAYATI DAN PUPUK NPK TERHADAP PERTUMBUHAN DAN PRODUKSI SELADA (Lactuca Sativa L.)”. Agroprimatech 4, no. 2 (October 14, 2020): 18–26. Accessed January 25, 2026. https://jurnal.unprimdn.ac.id/index.php/Agroprimatech/article/view/1327.