Perera, M. J. Renuka, Gapar M. Johar, Ali Kathibi, Halinah Atan, Nalin Abeysekera, and Isuri R. Dharmaratne. 2021. “PLS-SEM Based Service Quality and Satisfaction Analysis in Sri Lanka’s Open Distance Learning”. Insights into Economics and Management Vol. 9, May, 56-82. https://doi.org/10.9734/bpi/ieam/v9/2549D.