TY - BOOK ID - 131734254 TI - Game-based marketing : inspire customer loyalty through rewards, challenges, and contests AU - Zichermann, Gabe AU - Linder, Joselin PY - 2010 SN - 9780470562239 PB - Hoboken, N.J. John Wiley & Sons, Inc. DB - UniCat KW - Marketing UR - https://www.unicat.be/uniCat?func=search&query=sysid:131734254 AB - ER -