Utilization of technology: the corner-stone of agricultural development policy and programmes (role of extension) Utilization of technology: the corner-stone of agricultural development policy and programmes (role of extension)

by Swanson, B.E., Sigman, V.A. (Illinois Univ., Urbana (USA))
Published 1984

A utilizacao da tecnologia: pedra angular dos programas e da politica de desenvolvimento rural A utilizacao da tecnologia: pedra angular dos programas e da politica de desenvolvimento rural

by Swanson, B.E., Sigman, V.A. (Illinois Univ., Urbana (USA))
Published 1991