Nurtjahyani, S.D. et al. 2020. Utilization of Leaves in Mine Reclamation Land as Organic Fertilizer with Effective Bioactivatory of Microorganism 4 (em4) and Molasses . Microbiology Indonesia. 14, 2 (Aug. 2020), 5. DOI:https://doi.org/10.5454/mi.14.2.5.