فهرس المقالات Khalid Mehmood المقاله 1 - Working Effectiveness of Dissemination Channels as Perceived by Potato Growers Tahir Munir Butt Muhammad Zakaria Yousuf Hassan Shahbaz Talib Sahi Khalid Mehmood Mashood- ul-Subtain Naeem- ul Hassan International Journal of Agricultural Management and Development , العدد 1 , السنة 1 , زمستان 2011
