Butt, Tahir Munir, Yousuf Hassan, Muhammad Zakaria, Talib Sahi, Shahbaz, Mehmood, Khalid, ul-Subtain, Mashood-, ul Hassan, Naeem-. Working Effectiveness of Dissemination Channels as Perceived by Potato Growers. International Journal of Agricultural Management and Development. 2011;1(1):1-6.