1. Agarwal, S., Aitah, M., Apt, N., Grieco, M., Kwakye, E.A. & Turner, J. (1994). Bearing the weight: the Kayayoo, Ghana’s working child. Paper presented at UNICEF Conference on the Girl Child, Delhi. February 1994. www.transport-links.org/transportlinks/filearea/publications/1_664_PA1322_1994.pdf . Accessed 10 Jul 2013
2. Akabzaa, T., Aseidu, A., Badu, A., Quartey, P. & Akuoni, S. (2010). Migration and economic development in Ghana. Centre for Migration Studies, Migration Studies Technical Paper Series. Technical paper No. 1. Accra: Woeli Publishing Services
3. Angel-Urdinola, D., Cortez, R., & Tanabe, K. (2008). Equity, access to healthcare services and expenditure on health in Nicaragua., Unpublished HNP Discussion Paper
4. Awumbila, M., & Ardayfio-Schandorf, E. (2008). Gendered poverty, migration and livelihood strategies of female porters in Accra, Ghana. Norwegian Journal of Geography, 62(3), 171–179.
5. Awumbila, M., Manuh, T., Quartey, P., Tagoe, C.A. & Bosiakoh, T. A., (2008). Migration country paper (Ghana). Unpublished paper prepared as part of the African Perspectives on Human Mobility Programme