Public Speaking Is A Skill, Not A Talent: The 7 Stages of Effective CommunicationE-bookPublic Speaking Is A Skill, Not A Talent: The 7 Stages of Effective CommunicationdiDeborah RoffeyValutazione: 0 su 5 stelle0 valutazioniSalva Public Speaking Is A Skill, Not A Talent: The 7 Stages of Effective Communication per dopo