IMMURANA, Mustapha; URMA, Arabi. Demand for measles and yellow fever vaccines for children in Ghana: are socio-economic, demographic and Geographic factors relevant?. International Journal of Accounting and Economics Studies, [S. l.], v. 4, n. 2, p. 136–141, 2016. DOI: 10.14419/ijaes.v4i2.6526. Disponível em: https://www.sciencepubco.com/index.php/IJAES/article/view/6526.. Acesso em: 1 may. 2024.