Spatial diffusion theory and practice /
Spatial diffusion theory and practice / [motion picture] :
made by BBC-TV ; introduced by John Blunder.
- Milton Keynes : Open University, 1972.
- 1 film reel (25 min.) : sd., col. ; 16 mm.
- Open University/New trends in geography D281, film no.9. .
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.
Diffusion of innovations.
Communication of technical information.
Agricultural--Morocco.
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.
Diffusion of innovations.
Communication of technical information.
Agricultural--Morocco.