CHELLAPPA, L. R. ., LEELAVATHI, L. and JAYASHRI, P. (2021) “Age and gender distribution of community periodontal index of treatment needs - a record-based study”, The journal of contemporary issues in business and government, 27(2), pp. 2324–2335. Available at: https://cibgp.com/au/index.php/1323-6903/article/view/1137 (Accessed: 5January2025).