Khanna, Sakshi, et al. “The Effect of Macroeconomic Variables on the Capital Structure Decisions of Indian Firms: A Vector Error Correction Model Vector Autoregressive Approach”. International Journal of Economics and Financial Issues, vol. 5, no. 4, Oct. 2015, pp. 968-7, https://mail.econjournals.com/index.php/ijefi/article/view/1450.