Abd Lahin F, Yong AB, Sarbatly R. Performance Recovery Following Upward and Downward Flushing of Up-flow Sand Filter. ASEAN J. Chem. Eng. [Internet]. 2024Dec.31 [cited 2025Jan.31];24(3):314-20. Available from: https://dev.journal.ugm.ac.id/v3/AJChE/article/view/13482