TY - BOOK ID - 131295057 TI - Elementary Cobol programming: a step by step approach AU - Davis, Gordon B. AU - Litecky, Charles R. PY - 1971 PB - New York McGraw-Hill DB - UniCat KW - Programming UR - https://www.unicat.be/uniCat?func=search&query=sysid:131295057 AB - ER -