Roy, Debabrata, et al. “TREND IN UTILIZATION OF MOBILE HEALTH SERVICES, MORBIDITY PATTERN & HEALTH SEEKING IN UTTARAKHAND”. Indian Journal of Community Health, vol. 24, no. 4, Dec. 2012, pp. 347-51, https://www.iapsmupuk.org/journal/index.php/IJCH/article/view/277.