Dr.Zia, Ur Rehman, et al. “Impact of Customer Relationship Management in Retailing Sector -With Special Reference to Big Bazaar-An Empirical Evidence”. Journal of Science & Technology (JST), vol. 2, no. 2, Mar. 2017, pp. 49-60, doi:10.46243/jst.2027.v2.i02.pp49-60.