Rofingatun, Siti, et al. “Effect of Independent Locus of Control and Auditor Ethics on Auditor Professional Skeptics and Its Implications on Audit Quality ”. The International Journal of Social Sciences World (TIJOSSW), vol. 4, no. 2, Sept. 2022, pp. 54-62, https://www.growingscholar.org/journal/index.php/TIJOSSW/article/view/253.