Shahrul Shafendy Bin Ibrahim, Muhammad, and Nor Haslina Hashim. “Characterization of Car Wash Wastewater from Manually Dispersed, Snow and Auto Car Wash Stations”. International Journal of Engineering & Technology, vol. 7, no. 3.23, Aug. 2018, pp. 45-48, https://doi.org/10.14419/ijet.v7i3.23.17257.