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R. K. SINGH, K. N. SINGH, S. K. DHANORIA, A. BHATT, A. DIXIT. Petrochemistry and Depositional Environment of Permian Coals of Basundhara Block, Ib-Valley Coalfied, Orissa,India. IJEEG [Internet]. 2010 Mar. 20 [cited 2025 Dec. 29];1(1):36-41. Available from: http://econ-environ-geol.org/index.php/ojs/article/view/645