Karmakar, N., K. Nag, A. Datta, S. Sekhar Datta, and P. Bhattacharjee. “A Cross-Sectional Study on Morbidity Pattern of Elderly Population Residing in a Rural Area of Tripura”. International Journal of Research in Medical Sciences, vol. 5, no. 11, Oct. 2017, pp. 5030-5, doi:10.18203/2320-6012.ijrms20174965.