Ying-Hui ChinJin Chung SinAbdul Rahman MohamedSze Mun Lam2024-10-252024-10-252018-11-27https://doi.org/10.1007/s10854-018-0446-6https://dspace-cris.utar.edu.my/handle/123456789/4956Preparation of Nb2O5-decorated hierarchical porous ZnO microspheres with enhanced photocatalytic degradation of palm oil mill effluentjournal-article