1. Adölesanların cinsel ve üreme sağlığını etkileyen faktörler projesi [Factors Affecting Sexual and Reproductive Health of Adolescents];Akın,2003
2. Modern History as Reinstatement of the Saeculum: A Study in the Semantics of History;Arieli;Jewish History,1994
3. Gençlik ve Cinsellik [Youth and Sexuality]http://www.cetad.org.tr/Cetaddata/Book/32/269201116835-Bilgilendirme_Dosyasi_7.Pdf
4. Din Hayattan Çıkar [Life, as the Source of Religion];Atay,2012
5. The Year’s Most Intriguing Findingshttp://www.barna.com/research/the-years-most-intriguing-findings-from-barna-research-studies/