F. Jahanshah, K. Sopian, S.H. Zaidi, M.Y. Othman, N. Amin and N. Asim
American Journal of Applied Sciences 6 ( 4 ): 667 - 671 , 2009
Mustafa Ibrahim, K. Sopian and W.R.W. Daud
American Journal of Applied Sciences 6 ( 6 ): 1070 - 1075 , 2009
A.R. Ismail, N. Jusoh, R. Zulkifli, K. Sopian and B.M. Deros
American Journal of Applied Sciences 6 ( 8 ): 1495 - 1501 , 2009
A.R. Ismail, M.R.A. Rani, Z.K.M. Makhbul, K. Sopian and B.M. Deros
American Journal of Applied Sciences 6 ( 9 ): 1731 - 1741 , 2009
A. Lennie, H. Abdullah, S. Shaari and K. Sopian
American Journal of Applied Sciences 6 ( 12 ): 2043 - 2049 , 2009
A.R. Ismail, M.Y.M. Yusof, K. Sopian, M.R.A. Rani, Z.K.M. Makhbul and N.K. Makhtar
Journal of Applied Sciences 10 ( 14 ): 1389 - 1396 , 2010
S.S.S. Baljit, S.S.S. Ranjit, A.M. Albreki, H.Y. Chan and K. Sopian
Journal of Engineering and Applied Sciences 12 ( 8 SI ): 8340 - 8343 , 2017