Bargshady, Ghazal, Ali Chegeni, Shayan Kamranvand, and Seyed Mojib Zahraee. 2016. “A Relational Study of Supply Chain Agility and Firms’ Performance in the Services Providers”. International Review of Management and Marketing 6 (4S):38-42. https://econjournals.com./index.php/irmm/article/view/2464.