KRISNAMALAY, K. ., B. . R.N, and J. . KUMAR.V. “Retrospective Analysis on Sutures Used for Open Method Extraction in Patients Attending A Private Dental Institution”. The Journal of Contemporary Issues in Business and Government, vol. 27, no. 2, Apr. 2021, pp. 330-5, https://cibgp.com/au/index.php/1323-6903/article/view/933.