Singh, Kamal Jeet, Anil Chandra, and Shaila Chandra. “Evaluation of Earliest Permian Flora of India and Its Equivalents in Other Gondwana Continents”. Journal of Palaeosciences 54, no. (1-3) (December 31, 2005): 107–113. Accessed April 30, 2024. https://jpsonline.co.in/index.php/jop/article/view/73.