Asmat, A., Atiqah Hazali, N., Nasuha Mat Nor, A., & Khairunnisa Zuhan, F. (2018). Seasonal-Spatial of Putrajaya Lake Water Quality Parameter (WQP) Concentration Using Geographic Information System (GIS). International Journal of Engineering and Technology, 7(3.11), 176-181. https://doi.org/10.14419/ijet.v7i3.11.15956