TY  - BOOK
AU  - Roy, M.K.
AU  - Dastidar, Ghosh D.
TI  - Cobol programming
SN  - 0-07-451866-6
U1  - 005.133 
PY  - 1982///
CY  - New Delhi
PB  - Tata McGraw - hill publishing company ltd
KW  - File concepts and program logic
KW  - Level structures
KW  - Direct access files
N1  - Index
ER  -