M. Iqbal, M. F. Imam, H. A. A. Rana, N. A. Khan, M. F. Qayyum, and S. Haider, “Farmers’ Perception Regarding Dissemination of Improved Agricultural Technology through FFS in Tehsil Rawalpindi”, PSM Biol Res, vol. 2, no. 1, pp. 36–39, Jan. 2017.