Bandara, Senevirathna. “ACTIVITY THEORY IS AN EFFECTIVE FRAMEWORK ON QUALITATIVE DATA ANALYSIS IN SOCIAL SCIENCES STUDIES”. International Journal of Research -GRANTHAALAYAH 6, no. 7 (July 31, 2018): 85–95. Accessed April 25, 2024. https://www.granthaalayahpublication.org/journals/granthaalayah/article/view/IJRG18_A07_1530.