Singh, R., and M. Kumar. “Landslides in Uttarakhand Himalaya: With Special Reference to Nature Disaster of 2013”. Anusandhaan - Vigyaan Shodh Patrika, Vol. 2, no. 01, July 2014, pp. 150-4, https://www.anushandhan.in/index.php/ANSDHN/article/view/1002.