Tamad, Soetanto, L. and Karim, A.R. 2023. USE OF BIOLOGICAL ORGANIC FERTILIZERS AND PESTICIDES TO IMPROVE POTATO CULTIVATION IN SLOPE ANDISOLS. BIOTROPIA. 30, 2 (Aug. 2023), 232–241. DOI:https://doi.org/10.11598/btb.2023.30.2.1902.