Priyam Porwal, Bibeth Sharma, Saibal Kumar Saha, Samrat Kumar Mukherjee, and Ajeya Jha. “Value-Attitude-Behaviour-Based Review of Tourist Sustainability Perception in Sikkim Homestay Tourism: Integrating Ecocentrism, Global Self-Identity, Altruism, Research Gaps”. International Journal of Computer Information Systems and Industrial Management Applications 18, no. 4s (June 28, 2026): 585–609. Accessed July 2, 2026. https://cspub-ijcisim.org/index.php/ijcisim/article/view/2537.