Botham, Cecil Norman.

Audio visual aids for cooperative education and training / by C.N. Botham in collaboration with the Cooperative Credit and Rural Sociology Branch, Rural Institutions and Services Division, FAO. - Rome : Food and Agriculture Organization of the United Nations, [1969] - FAO agricultural development paper ; 86 .

First published in 1967.


Education, Cooperative -- Audio-visual aids.--Education, Cooperative -- Audio-visual aids.