1. United States Agency for International Development. Technical reference materials family planning. 2013. Retrieved from:
https://www.k4health.org/sites/default/files/family_planning_trms_final_2013.pdf
.
2. United Nations. World Family Planning 2017 Highlights. 2017. Retrieved from:
https://www.un.org/en/development/desa/population/publications/pdf/family/WFP2017_Highlights.pdf
3. Bongaarts J, Cleland J, Townsend JW, Bertrand JT, Gupta MD. Family planning programs for the 21st century. New York: Population Council; 2012. Retrieved from:
http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.259.7077&rep=rep1&type=pd
4. Cleland J, Bernstein S, Ezeh A, Faundes A, Glasier A, Innis J. Family planning: the unfinished agenda. Lancet. 2006;368(9549):1810–27.
https://doi.org/10.1016/S0140-6736(06)69480-4
.
5. Askew I, Brady M. Reviewing the evidence and identifying gaps in family planning research: the unfinished agenda to meet FP2020 goals; 2013.
https://doi.org/10.31899/rh3.1019
.