Putri, Y. K. W., and I. K. Sujana. “The Influence of Bid-Ask Spread and Leverage on Earnings Management With Good Corporate Governance As Moderating Variable”. International Research Journal of Management, IT and Social Sciences, vol. 5, no. 3, Apr. 2018, pp. 8-21, https://sloap.org/journals/index.php/irjmis/article/view/160.