A STUDY ON THE POTENTIAL OF RIVERBANK FILTRATION FOR THE REMOVAL OF COLOR, IRON, TURBIDITY AND E.COLI IN SUNGAI PERAK, KOTA LAMA KIRI, KUALA KANGSAR, PERAK, MALAYSIA. J. Teknol. [Internet]. 2015 Jun. 25 [cited 2026 Sep. 13];74(11). Available from: https://journals.utm.my/jurnalteknologi/article/view/4877