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), pp. 148-153. doi: 10.24036/pelitaeksakta/vol4-iss2/158.