AAssertiveness in a WeekAssertiveness in a Weekde Dena MichelliMateriasAssertiveness (psychology)Success in businessEdiciones (1)Assertiveness in a Week (2016)Hodder & Stoughton · inglés · ISBN 9781473622838Más obras de Dena MichelliAssertiveness WorkbookBeating Shyness WorkbookAssertiveness in a Week (In a Week)2002