Food problems of developing countries : implications for U.S. policy : hearings before the Subcommittee on International Resources, Food, and Energy of the Committee on International Relations, House of Representatives, Ninety-fourth Congress, first session
書名
Food problems of developing countries : implications for U.S. policy : hearings before the Subcommittee on International Resources, Food, and Energy of the Committee on International Relations, House of Representatives, Ninety-fourth Congress, first session