TY  - BOOK
AU  - India, Ministry of energy.
ED  - India, Ministry of energy.
TI  - Annual report on the activities of the coal mines labour welfare organisation Dhanbad, 1980-81
U1  - X9 (F551):958.2.N81 - N80r, M1/GD 
PY  - 1980///
CY  - India
PB  - Ministry of energy        
ER  -