Brian A. Maurer, “Geographical Population Analysis: Tools for The
Analysis of Biodiversity”, Blackwell Scientific Publications,
London,1994
- Merveat M. Khalil, "Impact of Women's Education on Fertility and
Family Planning in Egypt”, 'Population Researches and Studies,Population Studies and Research Center, No.54, C.A.P.M.A.S, Cairo,
Jan 1997.
- Sinan Yilmaz,2018, Use of Family Planning Methods and Influencing
Factors Among Women in Erzurum ,Turkey , Med Sci Monit., v.24;
2018 , available on:
- https://www.medscimonit.com/abstract/index/idArt/908388
- Smith,T.L: Demography Principles and Methods, ,Alfred Publishing
Co., Ink. New York.1976>