Stefanie, S.Y., Condro, N. and Pusop, N.F. 2022. SOIL pH VALUE ON AGRICULTURAL LAND USING COW STATE FERTILIZER. Jurnal Ilmu Pendidikan Indonesia. 10, 3 (Sep. 2022), 178–185. DOI:https://doi.org/10.31957/jipi.v10i3.2414.