Pandya, B. B., U. R. Chaudhari, A. A. Bhatt, and N. Thakor. “Tobacco and Betel Nut Use Among School Going Adolescents of South Gujarat Region, India: A Cross Sectional Study”. International Journal of Contemporary Pediatrics, vol. 7, no. 1, Dec. 2019, pp. 140-3, doi:10.18203/2349-3291.ijcp20195174.