by Zainudin, M.N.Shah, Sulaiman, Md Nasir, Mustapha, Norwati, Perumal, Thinagaran, Mohamed, Raihani
Published in International Journal of Technology (01.10.2017)

by Zainudin, M.N.Shah, Kee, Y.J., Idris, M.I., Kamaruddin, M.R., Ramlee, R.H.
Published in International journal of recent technology and engineering (30.09.2019)

by Ismail, M.M., Othman, M.A., Zakaria, Z., Misran, M.H., Said, M.A.Meor, Sulaiman, H.A., Zainudin, M.N.Shah, Mutalib, M.A.
Published in Procedia engineering (2013)