Duru, Erdinç, and Murat Balkis. “Procrastination, Self-Esteem, Academic Performance, and Well-Being: A Moderated Mediation Model”. International Journal of Educational Psychology 6, no. 2 (June 24, 2017): 97–119. Accessed September 18, 2021. https://www.hipatiapress.com/hpjournals/index.php/ijep/article/view/2584.