TY  - BOOK
AU  - Hajra S.
TI  - Economics of scale in cement industry
U1  - X9(D35):26.2.N8, M3 
PY  - 1983///
CY  -  New Delhi 
PB  - Kunj India        
KW  - Cement Industry
N1  - Economics and Scientific Research Foundation, publication
ER  -