Asrul, Asrul, Kurnia Burhan, Irwan Lakani, Mutmainah Mutmainah, and Umrah Umrah. 2024. “Application of Bacillus Sp Liquid Formula Using Root Infusion Technique To Control VSD (Vascular Streak Dieback) Disease In Cocoa”. Jurnal Penelitian Pendidikan IPA 10 (8):6001-12. https://doi.org/10.29303/jppipa.v10i8.8210.