Seasonal variability in third world agriculture.
SAHN,E.David.
Seasonal variability in third world agriculture. - The International food Policy research Institute. London. 1989. - 366p.
0-8018-3829-0 (alk.paper)
Seasonal variability in third world agriculture. - The International food Policy research Institute. London. 1989. - 366p.
0-8018-3829-0 (alk.paper)