. Ali, T. S., Ali, P. A., Waheed, H., & Memon, A. A. (2006). Understanding of puberty and related health problems among female adolescents in Karachi, Pakistan. Journal of Pakistan Medical Association, 56(2), 68-72.
. Cochrane Database of Systematic Reviews. (2013). Retrieved from https://www.cochranelibrar y.com/ cdsr/table-of-contents?volume=2013&issue=12
. Shaw, D. (2009). Access to sexual and reproductive health for young people: Bridging the disconnect between rights and reality. International Journal of Gynecology & Obstetrics, 106 (2), 132-136. Retrieved from http://www.ncbi.nlm.nih.gov/pubmed/19535075 & https//doi.org/10.1016/j.ijgo.2009.03.025.
. Hoffman, L. (2005). Freud's Theories about Sex as Relevant as Ever. Retrieved from https://psychnews. psychiatryonline.org/doi/full/10.1176/pn.40.15.00400018
. Haruna, H., Hu, X., Chu, S., Mellecker, R., Gabriel, G., & Ndekao, P. (2018). Improving sexual health education programs for adolescent students through game-based learning and Gamification. International Journal of Environmental Research and Public Health, 15(9), 2027. https//doi.org/10.3390/ijerph15092027
. Herman, L., Ovuga, E., Mshilla, M., Ojara, S., Kimbugwe, G., Adrawa, A. P., & Mahuro, N. (2013). Knowledge, perceptions and acceptability to strengthening adolescents' sexual and reproductive health education amongst secondary schools in Gulu District. World Academy of Science, Engineering and Technology, 7(7), 1787-1802.
. IPPF. (2010). Sexual Rights: An IPPF Declaration Pocket Guide. Retrieved from https://www.ippf.org/sites/default/ files/ippf_sexual_rights_declaration_pocket_guide.pdf
. Leung, H., Shek, D. T., Leung, E., & Shek, E. Y. (2019). Development of Contextually-relevant Sexuality Education: Lessons from a comprehensive review of adolescent sexuality education across cultures. International Journal of Environmental Research and Public Health, 16(4), 621. https//doi.org/10.3390/ijerph16040621
. Talpur, A. A., & Khowaja, A. R. (2012). Awareness and attitude towards sex health education and sexual health services among youngsters in rural and urban settings of Sindh, Pakistan. Education, 62(7), 708-712.
. Satcher, D. (2013). Addressing sexual health: Looking back, looking for ward. Public Health Reports, 128(2_suppl1), 111-114. https//doi.org/10.1177/00333549 131282S113
. World Health Organization. (2010). Towards Universal Access: Scaling up Priority HIV/AIDS Interventions in the Health Sector. Retrieved from http://www.who.int/hiv/pub/ 2010progressreport/en/