Dewilda, Y. , ., Z., Indriani, I.P. and Fauzi, M. 2023. Composting of Gambir Industrial Leaf Waste with the Addition of Cow Rumen and EM4 Activator using the Open Bin Method. International Journal of Membrane Science and Technology. 10, 5 (Oct. 2023), 143-150. DOI:https://doi.org/10.15379/ijmst.v10i5.2434.