LESTARI, Rini, and Maharani FAJAR. “Gratitude, Self-Esteem and Optimism in People With Physical Disabilities”. PRIZREN SOCIAL SCIENCE JOURNAL 4, no. 2 (August 31, 2020): 14–21. Accessed May 20, 2022. https://prizrenjournal.com/index.php/PSSJ/article/view/150.