George, Sobha, George Paul, and Nimitha Paul. “Study on Sleep Quality and Associated Psychosocial Factors Among Elderly in a Rural Population of Kerala, India”. International Journal Of Community Medicine And Public Health 5, no. 2 (January 24, 2018): 526–531. Accessed December 5, 2024. https://www.ijcmph.com/index.php/ijcmph/article/view/2475.