Systèmes alternatifs et durables de production et de subsistance pour les terres marginales.
Contributors: Campbell, David J. 1948-; Olson, Jennifer M.; United Nations Development Programme.; United Nations Sudano-Sahalian Office.
Publisher: Bureau des Nations Unies pour la région soudano-sahélienne
Published: 1992
Place of publication: [S.l.]
Language: fre
Number of pages: 101
Subjects: Alternative agriculture.; Agriculturally marginal lands.; Rural industries.; Appropriate technology.; Sustainable development.; Rural development.
Notes: Includes bibliographical references (p. 97-101).
Prepared by Leonard Berry, David Campbell, and Jennifer M. Olson.
"PNUD"--Cover p. [1].