Ahmed, J. ., H. . Xiaofeng, M. U. . Virk, and M. . Abdullah. “Investigation of Causal Relationship Between Trade Credit and Bank Loan During 2008 Financial Crisis”. Journal of Asian Business Strategy, vol. 5, no. 5, June 2015, pp. 90-98, doi:10.18488/journal.1006/2015.5.5/1006.5.90.98.