Y., Azyana, Nik Norulaini N.A, and Nurul Jannah H. 2012. “LAND USE AND CATCHMENT SIZE/SCALE ON THE WATER QUALITY DETERIORATION OF KINTA RIVER, PERAK, MALAYSIA”. Malaysian Journal of Science 31 (2):121-31. https://doi.org/10.22452/mjs.vol31no2.4.