Agricultural extension in the developing countries
International institute for land reclamation and improvement (Wageningen \ Netherlands) Vries, C A de (com.)
Agricultural extension in the developing countries a bibliography - Wageningen International institute for land reclamation and improvement 1968 - 125p.; 22cm. - International institute for land reclamation and improvement .
Agriculture extension bibliography
Bibliography - agriculture extension - developing countries
Developing countries bibliography
Agricultural extension in the developing countries a bibliography - Wageningen International institute for land reclamation and improvement 1968 - 125p.; 22cm. - International institute for land reclamation and improvement .
Agriculture extension bibliography
Bibliography - agriculture extension - developing countries
Developing countries bibliography