Munirah Yaacob, Nurul Farahin Mahirah Fazid, Siti Mahirah Sao’di, Juzaily Hussain, Suhaila Muhammad Ali, and Siti Mahirah Sao’di. 2019. “Chronic Periodontitis and Its Correlation With Socio-Demographic and Oral Health Parameters: A Retrospective Study in Adult Population”. International Journal of Research in Pharmaceutical Sciences 10 (4):3587-93. https://ijrps.com/home/article/view/3184.