Spatial diffusion theory and practice - British Broadcasting Corporation. Television Service (Milton Keynes : Open University, 1972)
An area in the vicinity of the irrigation dam in Zig valley ( Southern Morroco ) has been used for the diffusion of innovations and agriculture innovations and its acceptance by local farmers.
note: 4p.
Converted into VHS 1/2 in. and U-matic 3/4 in.
Keywords: Diffusion of innovations; Communication of technical information; Agricultural -- Morocco