TY  - BOOK
AU  - Roy,M K 
AU  - Dastidar ,D Ghosh 
TI  - Cobal Programming Problems And Solutions
SN  - 0074518658
U1  - 310 
PY  - 1988///
CY  - New Delhi 
PB  - Tata McGraw-Hill Publication Company Limited 
KW  - Statistics
ER  -