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The World Bank's role in human resource development in sub-Saharan Africa : education, training, and technical assistance
Ridker, Ronald G. - 1994 - 1. print
Persistent link: https://www.econbiz.de/10000929324
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Employment and unemployment problems of the near east and south Asia
Ridker, Ronald G. (ed.); Lubell, Harold (ed.) - 1971
Persistent link: https://www.econbiz.de/10000601600
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Employment and unemployment problems of the near east and south Asia ; Vol. 1
Ridker, Ronald G. (contributor) - 1971
Persistent link: https://www.econbiz.de/10000601601
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Employment and unemployment problems of the near east and south Asia ; Vol. 2
Ridker, Ronald G. (ed.) - 1971
Persistent link: https://www.econbiz.de/10000601602
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To choose a future : resource and environmental consequences of alternative growth paths
Ridker, Ronald G.; Watson, William D. - 1980
Persistent link: https://www.econbiz.de/10001577506
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Changing resource problems of the fourth world
Ridker, Ronald G. (contributor) - 1976
Persistent link: https://www.econbiz.de/10004677666
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Population and development : the search for selective interventions
Ridker, Ronald G. (contributor) - 1976
Persistent link: https://www.econbiz.de/10004664207
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Population and development : the search for selective interventions
Ridker, Ronald G. (ed.) - 1976
Persistent link: https://www.econbiz.de/10013532555
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The World Bank's role in human resource development in Sub-Saharan Africa : education, training, and technical assistance
Ridker, Ronald Gene - 1994
Persistent link: https://www.econbiz.de/10010526089
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Economic costs of air pollution : studies in measurement
Ridker, Ronald Gene - 1967
Persistent link: https://www.econbiz.de/10000577353