Denal Putra Melketa, Benni Satria, and Siska Efendi. 2022. “Diversity Of Predator And Parasitoids Insects On Several Types Of Oil Palm Plantation Ecosystems”. Jurnal Riset Perkebunan 3 (2):66-76. https://doi.org/10.25077/jrp.3.2.66-76.2022.