Ying-Hui ChinJin Chung SinSze Mun Lam2024-10-302024-10-302018-04https://doi.org/10.1016/j.matlet.2017.12.141https://dspace-cris.utar.edu.my/handle/123456789/5550A facile route for fabrication of hierarchical porous Nb 2 O 5 /ZnO composites with enhanced photocatalytic degradation of palm oil mill effluentjournal-article