TY  - BOOK
AU  - Roy, M.K Dastidar, Ghosh, D 
TI  - Theory and problems in cobol programming 
SN  - 0-07-460084-2 
U1  - 005.13 ROY  
PY  - 1995///
CY  - Tata mcgraw hill 
PB  - New Delhi 
KW  - PROGRAMMING LANGUAGE
ER  -