Wanasinghe, Shaminda. “Contribution to the Development of Political Concepts of Civic Education Among in Grades 10-11 in Sri Lanka”. Shanlax International Journal of Education 10, no. 4 (September 1, 2022): 45-51. Accessed February 7, 2023. https://www.shanlaxjournals.in/journals/index.php/education/article/view/4247.