Pallar, B. M. ., Abram , P. H. . and Ningsih, P. (2020) “Analysis of Hard Water Coagulation in Water Sources of Kawatuna using Aloe Vera Plant”, Jurnal Akademika Kimia. Palu, Sulawesi Tengah - INDONESIA, 9(2), pp. 125–132. doi: 10.22487/j24775185.2020.v9.i2.pp125-132.