John, Arlen Hanel. “Community Composition Of Top Soil Collembola In The Land Application Area Of Liquid Waste Oil Palm Plantation Factory Simpang Kanan District Rokan Hilir Regency”. International Journal of Ecophysiology 3, no. 2 (November 16, 2022): 162-172. Accessed November 22, 2024. https://talenta.usu.ac.id/ijoep/article/view/10093.