Cheepurupalli R, Radha A, C.S S, G.V.S S, Rao E.N D. Chemical Characteristics and Trace Element Concentration of Non Coking Coals from Talcher Coal Fields, Orissa, India. STAR [Internet]. 2015 Sep. 28 [cited 2024 Nov. 15];4(3):197-205. Available from: https://journals.wgu.edu.et/index.php/star/article/view/267