POE, Richard Al patrulea val : network marketingul în secolul XXI / Richard Poe - București : Amaltea, 2002 - 299 p. ; 20 cm - C & A. Business . - C & A. Business . ISBN: 9739397468 Source: 238791, 238792 Subjects--Chronological Terms: Subjects--Topical Terms: DE-Economie Subjects--Geographic Terms: Index Terms--Genre/Form: lucrare de specialitate Universal Decimal Class. No.: 339.138