Situmorang, Augustina, author
Chasity and Curiousity: attitudes and Behaviour of Young People in Medan Regarding Virginity and Premarital Sex
Journal of Population, 2003
 Artikel Jurnal
Chastity and curiosity attitudes and behavior of young peple in Medan regarding virginity and premarital sex Augustina Situmorang
 Artikel Jurnal
Bell, Robert R., editor
Premarital sex in a changing society
Prentice Hall Inc., 1966
 Buku Teks
Young people and mental health
Peter Aggleton, Jane Hurry, Ian Warwick, editor
John Wiley & Sons, 2000
 Buku Teks
Rutter, Michael, author
Antisocial behavior by young people
Cambridge University Press, 1998
 Buku Teks
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