Vinoth, M., K. Mohamad Jasim, and K. Santhana Lakshmi. “A Study on Customer Satisfaction Analysis of Sales and Service at Royal Enfield, Chennai”. Shanlax International Journal of Management, Vol. 5, no. 2, Oct. 2017, pp. 70-78, https://shanlaxjournals.in/journals/index.php/management/article/view/1730.