Oluoha, Chukwuemeka, Chukwuemeka Umeh, and Hycienth Ahaneku. “Assessing the Contributions of Private Health Facilities in a Pioneer Private-Public Partnership in Childhood Immunization in Nigeria”. Journal of Public Health in Africa 5, no. 1 (June 5, 2014). Accessed August 18, 2019. https://publichealthinafrica.org/index.php/jphia/article/view/297.