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180312s1981 nyua gr ||||||spa d |
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|a Sistema de Bibliotecas de la Universidad de Costa Rica
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|a 304.666.091.724
|b V299v
|2 23
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|a Variations in the incidence of knowledge and use of contraception :
|b a comparative analysis of world fertility survey results for twenty developing countries.
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| 260 |
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|a New York :
|b United Nations,
|c 1981.
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| 300 |
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|a ix, 161 páginas :
|b ilustraciones en blanco y negro.
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| 650 |
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|a CONTROL NATAL
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| 650 |
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7 |
|a ANTICONCEPCION
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| 650 |
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7 |
|a REGIONES SUBDESARROLLADAS
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| 900 |
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|a 2018-O
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|a Centro Catalográfico
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| 949 |
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|a ACC -DQS
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