“Comparison Quality Analysis of Clean Water and Laundry Water in Bogor, Jakarta, Bekasi City and Bekasi Regency”. International Journal of Engineering Research and Advanced Technology (ijerat) (E-ISSN 2454-6135) 5, no. 3 (March 20, 2019): 48–54. Accessed December 24, 2024. https://ijerat.com/index.php/ijerat/article/view/54.