1. Caroline Allen (2013). situational analysis of adolescent sexual and reproductive health and HIV in Caribbean, April.
2. Progress in reproductive health research (2015). Progress in reproductive health research s/58/news ).
3. UNFPA (2014). The state of world population.
4. Population stabilization (2014). Report Ethiopia march.
5. Patton GC,Coffey C,Sawyer SM (2009). Global patterns of mortality in young people: a systematic analysis of population health data. The Lancet, 374(9693), 881-892.
6. WHO (2008). Mortality estimates by cause, age, and sex for the year Geneva: World Health Organization; 2011.
7. International Planned Parenthood Federation (2010). Facts on the sexual and reproductive health of adolescent women in the developing world Gutt macher Institute.
8. Geneva WHO (2011). Preventing early pregnancy: What the evidence says.
9. (2011). United Nations Children’s Fund (UNICEF). New York
10. Petra Jerman,Norman Constantine (2010). Constantine Demographic and Psychological Predictors of Parent Adolescent Communication about Sex o J Youth Adolescence. 39: 1164–1174.n, 39, 1164-1174.
11. Norman Constantine,Petra Jerman,Alice Huang (2007). California Parents’ Preferences and Beliefs Regarding School‐Based Sex Education Policy. Perspectives on Sexual and Reproductive Health, 39(3), 167-175.
12. Eva Lefkowitz,Tara Stoppa (2006). S., & Stoppa, T M Positive sexual communication and socialization in the parentadolescent context. New Directions for Child and Adolescent Development, 2006(112), 39-55.
13. C. DiIorio,E. Pluhar,L. Belcher (2006). Parentchild communication about sexuality: A review of the literature from. Journal of HIV/AIDS Prevention & Education for Adolescents & Children
14. Vincent Guilamo-Ramos,Alida Bouris,Jane Lee,Katharine McCarthy,Shannon Michael,Seraphine Pitt-Barnes,Patricia Dittus (2012). Paternal Influences on Adolescent Sexual Risk Behaviors: A Structured Literature Review. Pediatrics, 130(5), e1313-e1325.
15. (2011). Addis Ababa: Central Statistical Authority of Ethiopia and Ministry of Health.
16. (2014). Yirgalem town education bureau record and documentation 2014.
17. Dessalegn Tesso,Mesganaw Fantahun,Fikre Enquselassie (2012). Parent-young people communication about sexual and reproductive health in E/Wollega zone, West Ethiopia: Implications for interventions. Reproductive Health, 9(1), 13.
18. A. Sime,D. Wirtu (2008). Premarital sexual practice among school adolescents in Nekemte town East Wollega. Ethiop J Health Dev, 22(2), 167-173.
19. Mulatuwa Ayalew,Bezatu Mengistie,Agumasie Semahegn (2014). Adolescent - parent communication on sexual and reproductive health issues among high school students in Dire Dawa, Eastern Ethiopia: a cross sectional study. Reproductive Health, 11(1)
20. Kasiye Shiferaw,Frehiwot Getahun,Getahun Asres (2014). Assessment of adolescents ’communication on sexual and reproductive health matters with parents and associated factors among secondary and preparatory schools ‘students in Debremarkos town, North West Ethiopia Reproductive Health. Reproductive Health, 11(1)
21. Haji Tesfaye Assebe Yadeta,Abera Kedir Bedane,Tura Kenay (2014). Factors Affecting Parent- Adolescent Discussion on Reproductive Health Issues in Harar. Eastern Ethiopia Journal of Environmental and Public Health
22. Kathleen Ragsdale,Melina Bersamin,Seth Schwartz,Byron Zamboanga,Madeleine Kerrick,Joel Grube (2013). Development of Sexual Expectancies among Adolescents: Contributions by Parents, Peers and the Media. The Journal of Sex Research, 1-10.
23. Dena Huisman (2014). Telling a Family Culture Interpersonal.
24. Kristin Haglund,Richard Fehring (2010). The Association of Religiosity, Sexual Education, and Parental Factors with Risky Sexual Behaviors Among Adolescents and Young Adults. Journal of Religion and Health, 49(4)
25. E. Pluhar,C. DiIorio,F. McCarty (2008). Correlates of sexuality communication among mothers and 6–12-year-old children. Child: Care. Child: Care, Health and Development, 34(3), 283-290.