TY  - BOOK
T1  - Modular programming in COBOL
A1  - Armstrong, Russell M
LA  - English
PP  - New York
PB  - A Wiley-Interscience Publication
YR  - 1973
UL  - https://tuklas.up.edu.ph/Record/UP-99796217606834572
OP  - 211
NO  - General collection}
CN  - HF 5548.5 C2 A74 1973
KW  - COBOL (Computer program language)
ER  -