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MEASURING THE WILLINGNESS TO PAY FOR SOCIAL SERVICES IN DEVELOPING COUNTRIES
GERTLER, P.; VAN DER GAAG, J. - World Bank Group - 1988
Persistent link: https://www.econbiz.de/10005626126
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HEALTH CARE FINANCING AND THE DEMAND FOR MEDICAL CARE.
GERTLER, P.; LOCAY, L.; SANDERSON, W.; DOR, A.; VAN DER … - World Bank Group - 1988
Persistent link: https://www.econbiz.de/10005661389
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THE WILLINGNESS TO PAY FOR EDUCATION IN DEVELOPING COUNTRIES.
GERTLER, P.; GLEWWE, P. - World Bank Group - 1989
Persistent link: https://www.econbiz.de/10005661397