“Isolation and Potential Testing of North Sumatera Berastagi Agricultural Soil In Degrading Marshal Insecticide With Carbosulfan Active Material”. International Journal of Ecophysiology 2, no. 02 (October 1, 2020): 147–156. Accessed February 4, 2026. https://idjpcr.usu.ac.id/ijoep/article/view/4683.