Hira, M. N. ., and D. (Mrs.) A. . Bawa. “Guilt Based Online Appeals for Donation by NGOs: Examined through the Integrated Marketing Communication Perspective”. The Journal of Contemporary Issues in Business and Government, vol. 27, no. 2, Apr. 2021, pp. 6029-47, https://cibgp.com/au/index.php/1323-6903/article/view/1492.