Chan, Mieowkee, and Chiasiang Ooi. 2022. “Reusability of Nano-Fe3O4/Polyvinylidene Difluoride Membrane for Palm Oil Mill Effluent Treatment”. Trends in Sciences 19 (13). Nakhon Si Thammarat, Thailand:4636. https://doi.org/10.48048/tis.2022.4636.