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