Rahayu, Lucky, Vita Yuliana, M. Buang Budiono, Afrian Riznaldhy, and Riris Kurniarina. 2023. “Green Coal Machine: Innovative Solution for Processing Organic Soil Enhancer from Compost and Coal Testing Waste”. Journal of Applied Electrical Engineering 7 (2), 91-96. https://doi.org/10.30871/jaee.v7i2.6775.