ch DB. A STUDY OF FLY ASH OF TALCHER (MAHANADI BASIN) & SINGARENI (GODAVARI BASIN) COALS OF INDIA. bs [Internet]. 2016Apr.30 [cited 2024Dec.23];2(4):30-6. Available from: http://cpcontacts.ijrdo.org/index.php/bs/article/view/1665