Résultats de la recherche (1 résultat)
Affinez votre recherche
Par Collection Par Auteur- BLEZINGER, G. (1)
- EGGER, K. E. (1)
- 1986 (1)
- Projects for rural development have to improve small-holders' income. Production-oriented projects in the humid savannah have to initiate the change from extensive to intensive and permanent cultivation methods on a sustainable basis. - (L'A)
- 1986