Sepidar Sayyar, Zurina Zainal Abidin, Robiah Yunus and Azhari Muhammad
American Journal of Applied Sciences 6 ( 7 ): 1390 - 1395 , 2009
Sepidar Sayyar, Zurina Zainal Abidin, Robiah Yunus and Azhari Muhammad
Journal of Applied Sciences 11 ( 13 ): 2444 - 2447 , 2011