Abhishek Singhal Dr. Priyanka Nema , Dr. Bhanu Priya. “Assessing the Impact of Self Esteem & Optimism on Subjective Well-Being: A Moderation Model”. International Journal of Advanced Science and Technology, Vol. 29, no. 11s, May 2020, pp. 3363-7, http://sersc.org/journals/index.php/IJAST/article/view/23875.