KRISHNAMOORTHY, D., and SWATHI. S. “A Study on the Analysis of Customer Opinion on Freight Forwarding”. The journal of contemporary issues in business and government 26, no. 2 (August 30, 2020): 858–864. Accessed July 17, 2024. https://cibgp.com/au/index.php/1323-6903/article/view/347.