Mohamed Ali Abd el Wahab Moawad and Mamdouh Mustafa Ismail
International Business Management 10 ( 28 ): 6337 - 6348 , 2016
Ismail Salameh Ismail Iriqat and Mamdouh Mustafa Ismail
The Social Sciences 11 ( 5 ): 618 - 623 , 2016