1. Centre of Excellence for Advanced Research in Fluid Flow (CARIFF), Universiti Malaysia Pahang, Lebuhraya Tun Razak, Gambang, Pahang, Malaysia;
2. Faculty of Industrial Sciences and Technology, Universiti Malaysia Pahang, Lebuhraya Tun Razak, Gambang, Pahang, Malaysia;
3. Faculty of Pure and Applied Sciences, International University of Africa, Khartoum, Sudan;
4. Bioenvironmental Engineering Research Centre (BERC), Department of Biotechnology Engineering (BTE), Kulliyyah of Engineering (KOE), International Islamic University Malaysia, Gombak, Kuala Lumpur, Malaysia