Mahzan, N. H., M. F. A. Ibrahim, A. Jamalludin, and S. B. Hashim. “Prototype of Greywater Treatment Using Arduino Uno”. EDUCATUM Journal of Science, Mathematics and Technology, vol. 9, no. 2, Nov. 2022, pp. 43-48, doi:10.37134/ejsmt.vol9.2.6.2022.