共 50 条
- [21] FOOD SECURITY FOR DEVELOPING-COUNTRIES - VALDES,A AUSTRALIAN JOURNAL OF AGRICULTURAL ECONOMICS, 1982, 26 (01): : 78 - 80
- [28] FOOD TRADE AMONG DEVELOPING-COUNTRIES 1988 WORLD FOOD CONFERENCE PROCEEDINGS, VOL II: ISSUE PAPERS, 1989, : 276 - 302
- [30] FOOD SECURITY FOR DEVELOPING-COUNTRIES - VALDES,A REVUE CANADIENNE D ETUDES DU DEVELOPPEMENT-CANADIAN JOURNAL OF DEVELOPMENT STUDIES, 1982, 3 (01): : 206 - 207