TY  - BOOK
T1  - Advanced structured COBOL
A1  - Popkin, Gary S.
PP  - Boston, Mass.
PB  - Kent Pub.
YR  - 1983
UL  - https://tuklas.up.edu.ph/Record/UP-1685594773861680446
OP  - 502
CN  - QA 76.73 C25 P66 1983
KW  - COBOL (Computer program language)
KW  - Structured programming.
ER  -