TY - BOOK ID - 131977836 TI - Data processing for business AU - Silver, Gerald A. AU - Silver, Joan B. PY - 1973 PB - New York Harcourt, Brace, Jovanovich DB - UniCat KW - Information systems UR - https://www.unicat.be/uniCat?func=search&query=sysid:131977836 AB - ER -