BIFF bei der Arbeit: Ihr Leitfaden für schwierige Kommunikation am Arbeitsplatz von Bill Eddy (engl.
31,65 €
Brief, Informative, Friendly and Firm. Based on original BIFF book which has sold 20,000 copies + 10,000 copies through seminar back-of-room sales. Another book in the series also being published this season: BIFF for Co-Parents in Divorce.
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