TY  - BOOK
AU  - INSTITUTE FOR MINERS & METALWORKERS' EDUCATION
TI  - EFFICANCY OF WORKING TOGETHER IN COALMINING INDUSTRY ( REPORT, BACKGROUND PAPERS AND RECOMMENDATIONS OF THE " SEMINARS
U1  - 658.3 
PY  - 1989///
CY  - CALCUTTA
PB  - I.M.M.E.
N1  - WRITTEN OFF
ER  -