Kolawole, mutairu, FADARA, O. and ODEYEMI, kazeem 2025. AGE-STRUCTURED (SVEIHR) MODEL FOR DIPHTHERIA TRANSMISSION ANALYSIS. Jurnal Diferensial. 7, 1 (Apr. 2025), 13-37. DOI:https://doi.org/10.35508/jd.v7i1.17429.