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Household energy and the poor in the Third World
Cecelski, Elizabeth; Dunkerley, Joy; Ramsay, William - 1979
Persistent link: https://www.econbiz.de/10004775129
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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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Economic costs of air pollution : studies in measurement
Ridker, Ronald G. - 1967
Persistent link: https://www.econbiz.de/10004671188
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Population resources, and the environment
Ridker, Ronald G. (contributor) - 1972
Persistent link: https://www.econbiz.de/10004627984
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Employment and unemployment problems of the Near East and South Asia
Ridker, Ronald G. (contributor); Lubell, Harold (contributor)
Persistent link: https://www.econbiz.de/10004804013