作 者:Khurram, Nouman ;Saeed, Umair
出 处:International Journal of Economics and Empirical Research (IJEER). 2015 ;3(8):411-418.
出 版 社:The Economics and Social Development Organization (TESDO)
文 章 ID:165888073
作 者:Saeed Umair ;Sarim Muhammad ;Usmani Amna 等
出 处:Research Journal of Recent Sciences. 2015 ;4(3):106-114.
出 版 社:International Science Community Association
文 章 ID:1029802865