Sudarmin, S., Kurniawan, C., N, P., ., M., ., A. and I, N. (2019) “The Implementation of Chemical Project Learning Model Integrated with Ethno-Stem Approach on Water Treatment Topic Using Kelor (Moringa oleifera) Seed Extract As Bio-Coagulant ”, KnE Social Sciences, 3(18), pp. 492–501. doi: 10.18502/kss.v3i18.4740.