P. Sekar, and Shafiya. S. “Assessing Service Quality in Ayurveda Medical Tourism: Health Care Services of Kerala, India ”. Metallurgical and Materials Engineering 31, no. 1 (January 22, 2025): 745–752. Accessed July 22, 2026. https://metall-mater-eng.com/index.php/home/article/view/1306.