Safiullah S, Khan M, Sabur M. Comparative study of Bangladesh Barapukuria coal with those of various other countries. J. Bangla. Chem. Soc. [Internet]. 2012 Feb. 14 [cited 2024 Jul. 17];24(2):221-5. Available from: https://banglajol.info/index.php/JBCS/article/view/9712