Weerasinghe, Ishani, and B.N.F. Warnakulasooriya. “Interactions in Virtual Customer Environments (VCEs) Toward Customer Relationship Management (CRM): A Study of Tourist Hotels in Sri Lanka”. International Review of Management and Marketing, vol. 9, no. 1, Jan. 2019, pp. 44-51, https://econjournals.com/index.php/irmm/article/view/7341.