TY  - BOOK
T1  - Structured cobol a step by step approach
A1  - Davis, Gordon B.
A1  - Litecky, Charles R.
LA  - English
PP  - New York
PB  - McGraw-Hill
YR  - 1987
UL  - https://tuklas.up.edu.ph/Record/UP-99796217605943846
OP  - 401
NO  - Rev. ed. of: Elementary structured cobol / Gordon B. Davis, Margrethe H. Olsen, Charles H. Litecky, c1977.
CN  - QA76.73 C25 L58 1987
SN  - 007015788X
KW  - Cobol (Computer program language)
KW  - Structured programming.
ER  -