Atifah, Y., Violita, V., Achyar, A., Putri, I. and Selaras, G. 2021. Training Simple Analysis For Lake Water Pollution For The Nagari Community Of Kampung Batu Dalam Solok District, West Sumatra. Pelita Eksakta. 4, 2 (Nov. 2021), 148-153. DOI:https://doi.org/10.24036/pelitaeksakta/vol4-iss2/158.