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188 Scientific Facts about Teen Sex, Contraception, Pregnancy, Parenting and Sexually Transmitted Infections
Holly KreiderLaura LessardDenise HillDiana Dull AkersJosefina J. Card
出版Sociometrics Press, 2009-09
主題Education / GeneralHealth & Fitness / General
ISBN09822492179780982249215
URLhttp://books.google.com.hk/books?id=BE87QQAACAAJ&hl=&source=gbs_api