Saheed A., B., O. Olumide O., A. Victor A., and O. Kazeem A. “Mathematical Model for Measles Transmission Control Through ageStructured Vaccination: An Analytical Approach”. Ethiopian Journal of Natural and Computational Sciences, vol. 4, no. 2, Sept. 2024, pp. 586-07, https://journal.uog.edu.et/index.php/EJNCS/article/view/900.