Aggarwal, Pradeep, Rakesh Kakkar, Rajiv Bijalwan, Gagan Deep Kaur, Vivek Kumar Pandey, and Santosh Kumar. 2016. “Epi InfoTM a MHealth Tool for Primary Field Data Collection in Subsample Population of Uttarakhand- A Cross Sectional Study”. Indian Journal of Community Health 28 (1):89-93. https://iapsmupuk.org/journal/index.php/IJCH/article/view/653.