Bisht, K., P. Mehta, S. Upadhyay, and Y. Joshi. “Need of Harnessing Potential of Lichenometry for Glacier Retreat Studies in the Indian Himalayan Region”. INTERNATIONAL JOURNAL OF PLANT AND ENVIRONMENT, vol. 6, no. 03, July 2020, pp. 207-10, doi:10.18811/ijpen.v6i03.08.