Meena, K.L. “Late Barakar Flora from the Chaturdhara Nala Section, Ib-River Coalfield, Sundargarh, Orissa, India”. Journal of Palaeosciences 48, no. (1-3) (December 31, 1999): 141–145. Accessed February 22, 2025. https://jpsonline.co.in/index.php/jop/article/view/1299.