Ashima Bansal, Palvinder Kaur. “Measuring Retail Service Qualityan Empirical Study of Pantaloon and Reliance Trend in Yamuna Nagar”. International Journal of Economic Perspectives, vol. 15, no. 1, Dec. 2021, pp. 233-48, https://ijeponline.com/index.php/journal/article/view/262.