Ajagun และ David Olugbenga. (1993) Women's status and fertility in Nigeria. Mahidol University,:ม.ป.ท.Ajagun และ David Olugbenga. 1993. Women's status and fertility in Nigeria. ม.ป.ท.:Mahidol University,;Ajagun และ David Olugbenga. Women's status and fertility in Nigeria. ม.ป.ท.:Mahidol University, 1993. Print.