Hilal, N., Zafisah, N. S., Ang, W. L., Johnson, D. J., & Mohammad, A. W. (2018). Effect of different filter aids used in cake filtration process on the removal of suspended solids in anaerobically digested palm oil mill effluent (POME). Desalination and Water Treatment, 110, pp. 362-370. doi:10.5004/dwt.2018.22349

Hilal, Nidal, Nurul Syahidah Zafisah, Wei Lun Ang, Daniel James Johnson, and Abdul Wahab Mohammad. "Effect of Different Filter Aids Used in Cake Filtration Process On the Removal of Suspended Solids in Anaerobically Digested Palm Oil Mill Effluent (POME)." Desalination and Water Treatment 110 (2018): 362-370.

Hilal, Nidal, et al. "Effect of Different Filter Aids Used in Cake Filtration Process On the Removal of Suspended Solids in Anaerobically Digested Palm Oil Mill Effluent (POME)." Desalination and Water Treatment 110 (2018): 362-370.