Muekara Friday Dugbor. “The Diphtheria Disease”. International Journal of Advances in Scientific Research and Engineering (IJASRE), ISSN:2454-8006, DOI: 10.31695/IJASRE 10, no. 2 (February 20, 2024): 12–28. Accessed November 23, 2024. https://ijasre.net/index.php/ijasre/article/view/1768.