PREPARATION AND CHARACTERIZATION OF LAFEO3 USING DUAL-COMPLEXING AGENTS FOR PHOTODEGRADATION OF HUMIC ACID Journal title: Environment & Ecosystem Science (EES) Authors: N. Yahya, F. Aziz, nriquez M.A.O, A. Aizat, J. Jaafar, W.J. Lau, W.N.W. Salleh, A.F. Ismail Subject(s):