Perceptual Difference in Brand Conformity and Brand Loyalty of Consumers – A Study with Reference to Telecommunication Services in Chennai for Sustainable Development. Int. J. Environ. Sci. [Internet]. 2025 Apr. 15 [cited 2025 Sep. 22];11(2s):25-3. Available from: http://theaspd.com/index.php/ijes/article/view/157