1. Adetunji, I. (2014). On some socio-economic factors affecting household sanitation in Ado-Ekiti, Ekiti State, Nigeria. Journal of Environment and Earth Sciences, 4(9), 35–41.
2. Adewara, S. O., & Visser, M. (2011). Use of anthropometric measures to analyze how sources of water and sanitation affect children’s health in Nigeria. Environment for Development, 1–23. Retrieved April 11, 2022. http://www.jstor.com/stable/resrep14944
3. Agarwal, M., & Saha, R. (2021). Water and sanitation: Achievement of large Indian States. Indian Journal of Human Development, 15(1), 82–96. https://doi.org/10.1177/09737030211001767
4. Alam, M., Luby, S. P., Halder, A. K., Islam, K., Opel, A., Shoab, A. K., Ghosh, P. K., Rahman, M., & Mahon, T. (2017). Menstrual hygiene management among Bangladeshi adolescent schoolgirls and risk factors affecting school absence: Results from a cross-sectional survey. British Medical Journal Open, 7, 1–10. https://doi.org/10.1136/bmjopen-2016-015508
5. Anand, P. B. (2006). Millennium development goal 7: An assessment of progress with respect to water and sanitation