Khan, M., M. S. Shabbir, M. S. Tahir, R. Ali, and M. Hussain. “Investment-Cash Flow Sensitivity in Family Owned Pakistani Firms”. Amazonia Investiga, vol. 8, no. 19, Apr. 2019, pp. 376-8, https://amazoniainvestiga.info/index.php/amazonia/article/view/240.