Wahyusi, K. N., Nurmawati, A., & Zaen, Y. (2023). Mass Transfer Coefficient Study of Cherry (Muntingia calabura L.) Leaves Alkaloids Extraction Using Ethanol . International Journal of Eco-Innovation in Science and Engineering (IJEISE), 4(2). https://doi.org/10.33005/ijeise.v4i2.119