Nikou, S. H., Selamat, H. B., Yusoff, R. C. M., & Khiabani, M. M. (2016). Electronic Customer Relationship Management, Customer Satisfaction, and Customer Loyalty: A Comprehensive Review Study. International Journal Of Management And Economics Invention, 2(12), 1133–1144. Retrieved from http://www.rajournals.in/index.php/ijmei/article/view/190