TY  - BOOK
T1  - Comprehensive structured COBOL
T2  - 000000
A1  - Popkin, Gary S.
LA  - English
PP  - Boston
PB  - PWS-Kent
YR  - 1989
ED  - 3rd ed.
UL  - https://tuklas.up.edu.ph/Record/UP-99796217602532634
OP  - 795
CN  - QA 76.73 C25 P668 1989
KW  - COBOL (Computer program language)
KW  - Structured programming.
ER  -