Das, Sijila, and Nalinilatha M. “A STUDY ON TEACHING COMPETENCY OF SECONDARY SCHOOL TEACHERS”. International Journal of Research -GRANTHAALAYAH 5, no. 6 (June 30, 2017): 508–513. Accessed December 31, 2025. https://www.granthaalayahpublication.org/journals/granthaalayah/article/view/IJRG17_A06_430.