O’Connor, Gina Colarelli, and George J. Siomkos. “The Need For Control In The Service Sector”. Journal of Applied Business Research (JABR) 10, no. 3 (July 1, 1994): 105–112. Accessed July 17, 2024. https://clutejournals.com/index.php/JABR/article/view/5930.