Ethiopia : an economic analysis of technological change in four agricultural production systems
著者
書誌事項
Ethiopia : an economic analysis of technological change in four agricultural production systems
（Occasional papers series, monograph no. 2）
African Studies Center in cooperation with Institute of International Agriculture, Michigan State University, c1974
- タイトル別名
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Ethiopia agr. prod. systems
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注記
Bibliography: p. 113-117