Egyptian Journal of Basic and Applied Sciences
Egyptian Journal of Basic and Applied Sciences > 2014 > 1 > 2 > 88-96
Egyptian Journal of Basic and Applied Sciences > 2014 > 1 > 2 > 115-119
Egyptian Journal of Basic and Applied Sciences > 2014 > 1 > 2 > 77-87
Egyptian Journal of Basic and Applied Sciences > 2014 > 1 > 2 > 97-105
Egyptian Journal of Basic and Applied Sciences > 2014 > 1 > 2 > 120-125
Egyptian Journal of Basic and Applied Sciences > 2014 > 1 > 2 > 107-114