Agricultural extension : impact and assessment /
Singh, A. K
Agricultural extension : impact and assessment / by A K Singh. - Jodhpur : Agrobios ; 2006. - 266 p., 22 cm.
8177540394
630 / SIN
Agricultural extension : impact and assessment / by A K Singh. - Jodhpur : Agrobios ; 2006. - 266 p., 22 cm.
8177540394
630 / SIN