Mahzan, Norhidayatul Hikmee, Muhammad Faiz Amrie Ibrahim, Ahmad Jamalludin, and Shaiful Bakhtiar Hashim. 2022. “Prototype of Greywater Treatment Using Arduino Uno”. EDUCATUM Journal of Science, Mathematics and Technology 9 (2):43-48. https://doi.org/10.37134/ejsmt.vol9.2.6.2022.