Abhijeet Alok , Kaushal Kishor jha, Anjani Kumar shukla , Mozzam jawaid ,. “Co Relation of Areaca Nut / Betal Nut, Tobacco and Alcohol Consumption With OSMF – a Case Control Study”. International Journal of Medical Science and Clinical invention 4, no. 9 (September 1, 2017). Accessed November 17, 2019. https://valleyinternational.net/index.php/ijmsci/article/view/945.