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2. Bank, W. 2016. “Adolescent Fertility Rate (Births per 1,000 Women Ages 15-19).” Washington (DC): World Bank. http://data.worldbank./org/indicator/SP.ADO.TFR
3. Collins, C., P. Alagiri, and T. Summers. 2002. “Abstinence Only Vs. Comprehensive Sex Education: What are the Arguments? What Is the Evidence?” AIDS Policy Research Center & Center for AIDS Prevention Studies Policy Monograph Series. San Francisco: AIDS Research Institute; University of California. https://www.issuelab.org/resource/abstinence-only-vs-comprehensive-sex-education-what-are-the-arguments-what-is-the-evidence.html