Jalal K.C.A., Md. Zahangir Alam, Suleyman A. Muyibi and P. Jamal
American Journal of Environmental Sciences 2 ( 1 ): 1 - 5 , 2006
Salawudeen T. Olalekan, Suleyman A. Muyibi, Qasim H. Shah, Ma`an, F. Alkhatib, Faridah Yusof and Isam Y. Qudsieh
Energy Research Journal 1 ( 2 ): 68 - 72 , 2010