Sylvester Alor F., U., H. O. Asuzu-Samuel, and E. Ihuoma Amadi. “Exploring the Effectiveness of Healthcare Expenditure in Reducing Maternal Mortality in Nigeria”. GPH-International Journal of Social Science and Humanities Research, Vol. 7, no. 04, Apr. 2024, pp. 46-53, doi:10.5281/zenodo.11074991.