- Kumari, H. M. L. (2022a). Instructional Supervision by Principals in Type 1C and Type 2 Schools in the Gampaha District Sri Lanka. International Journal on Integrated Education (IJIE) 5(8), 117-125, e-ISSN 26203502, Available at online:
https://journals.researchparks.org/index.php/IJIE/article/view/3433