TY - BOOK ID - 126736205 TI - Sales forecasting PY - 1970 SN - 9780140211320 0140211322 PB - Harmondsworth: Penguin books, DB - UniCat KW - Sales forecasting UR - https://www.unicat.be/uniCat?func=search&query=sysid:126736205 AB - ER -