Omale, J. J., V. Margaritis, B. M. Hussain, J. N. Ngwu, A. N. Ohadoma, C. P. Nwosu, S. C. Okoli, and S. A. Ani. “Prevalence of Periodontal Disease Among Students Attending Selected Secondary Schools in Enugu-East LGA, Enugu State, Nigeria”. Orapuh Journal, Vol. 2, no. 1, May 2021, p. e808, https://orapuh.org/ojs/ojs-3.1.2-4/index.php/orapj/article/view/36.