Hilal, N., Zafisah, N. S., Ang, W. L., & Mohammad, A. W. (2018). Influence of particle size and pressure drop in cake filtration process on removal of suspended solids in anaerobically digested palm oil mill effluent. International Journal of Engineering, Transactions B: Applications, 3(8), pp. 1347-1445. doi:10.5829/ije.2018.31.08b.36

Hilal, Nidal, N. S. Zafisah, W. L. Ang, and A. W. Mohammad. "Influence of Particle Size and Pressure Drop in Cake Filtration Process On Removal of Suspended Solids in Anaerobically Digested Palm Oil Mill Effluent." International Journal of Engineering, Transactions B: Applications 3, no. 8 (2018): 1347-1445.

Hilal, Nidal, N. S. Zafisah, W. L. Ang, and A. W. Mohammad. "Influence of Particle Size and Pressure Drop in Cake Filtration Process On Removal of Suspended Solids in Anaerobically Digested Palm Oil Mill Effluent." International Journal of Engineering, Transactions B: Applications 3.8 (2018): 1347-1445.