1.
GUPTA AK, DUTTA AK, BASU R. SUBSIDENCE – A MAJOR EFFECT OF COAL MINING IN RANIGANJ COALFIELD. JBM [Internet]. 2018Aug.31 [cited 2024Dec.23];4(8):14-7. Available from: http://cpcontacts.ijrdo.org/index.php/bm/article/view/2227