TY - GEN digital ID - 139347137 TI - Differentiation selling : a practical guide to selling services and solutions in competitive markets PY - 2012 SN - 9789081599436 PB - Gent René Knecht DB - UniCat KW - Regional economic disparities KW - Sales UR - https://www.unicat.be/uniCat?func=search&query=sysid:139347137 AB - ER -