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1Argitaratua 1992Gaiak “...Sex instruction United States....”
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3nork Fields, JessicaGaiak “...Sex instruction for children United States....”
Argitaratua 2008
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7nork Trudell, Bonnie NelsonGaiak “...Sex instruction for teenagers United States....”
Argitaratua 1993
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8nork Doan, Alesha E., 1972-Gaiak “...Sex instruction for teenagers Political aspects United States....”
Argitaratua 2008
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10Argitaratua 1989Gaiak “...Sex instruction United States....”
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12nork Acker, Loren E. (Loren Edward), 1936-Gaiak “...Sex instruction United States....”
Argitaratua 1992
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13Argitaratua 1999GaiakLiburua
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15Argitaratua 2007GaiakLiburua