1. Agha, S., & Van Rossem, R. (2002). Impact of mass media campaigns on intentions to use the female condom in Tanzania. International Family Planning Perspectives, 28, 151–158.
2. Antoine, P., & Nanitelamio, J. (1991). More single women in African cities: Pikine, Abidjan and Brazzaville. Population: An English Selection, 149–169.
3. Basden, G. (1938). Among the Ibos of Nigeria (1921; reprint, London: Frank Cass, 1966). Niger Ibos: A description of the primitive life, customs, and animistic beliefs and customs of the Igbo People of Nigeria.
4. Berg-Cross, L., Scholz, A.-M., Long, J., et al. (2004). Single professional women: A global phenomenon challenges and opportunities. Journal of International Women’s Studies, 5, 34–59.
5. Bledsoe, C. (1990). Transformations in Sub-Saharan African marriage and fertility. The Annals of the American Academy of Political and Social Science, 510(1), 115–125.