• Wickramanayake., R., Kumari, H. M. L. (2023), “A study on teacher preparation for teaching-learning process in an Advanced Level online classroom” Paper published at the 3rd International Research Symposium on Research Excellence to Empower Education Organized by Faculty of Education, University of Colombo, Sri Lanka.  Page No., 280-290   ISSN: 2961-5364 

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