Chakraborty, Rajib, and Dr. Vijay Kumar Chechi. “Analysis of The Psychometrics of Academic Delay of Gratification Scale Without Item 4”. History Research Journal 5, no. 5 (September 15, 2019): 1832-1847. Accessed April 30, 2026. https://journals.eduindex.org/index.php/hrj/article/view/13395.