Mathew, Geethu, Naveen Ramesh, Shweta Ajay, Jeffrey Lewis, Tilak Pinto, Pretesh Rohan, Jyoti Singh, and Bobby Joseph. 2017. “Prevalence of Tobacco Dependence and Problem Drinking Among Workers in a Tea Plantation in South India”. National Journal of Community Medicine 8 (08):462-66. https://www.njcmindia.com/index.php/file/article/view/1214.