2023. Application of Coconut Shell Biochar and Rhizobacteria Consortium to Increase Cocoa Production (Theobroma cacao L.). Pelita Perkebunan (a Coffee and Cocoa Research Journal). 39, 2 (Aug. 2023), 119–128. DOI:https://doi.org/10.22302/iccri.jur.pelitaperkebunan.v39i2.545.