Ramli, Nur Ainna, and Gilbert Nartea. “Mediation Effects of Firm Leverage in Malaysia: Partial Least Squares –Structural Equation Modelling (PLS-SEM)”. International Journal of Economics and Financial Issues, vol. 6, no. 1, Jan. 2016, pp. 301-7, https://econjournals.com.tr/index.php/ijefi/article/view/1490.