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Planned change in traditional society. Psychological problems of modernization in Ethiopia
Korten, David C., (1972)
Student politics in traditional monarchies : a comparative analysis of Ethiopia and Nepal
Koehn, Peter, (1978)
The impact of a national service experience upon its participants : evidence from Ethiopia
Korten, David C., (1969)
Die Leistungsgesellschaft : psychologische Analyse der Voraussetzungen wirtschaftlicher Entwicklung
McClelland, David C., (1966)
The archieving society
McClelland, David C., (1961)
Achievement motivation can be developed
McClelland, David C., (1998)