Professional english : communication skills for professionals working in business, industry and international organisations : coursebook / Mark Ellis, Nina O'Driscoll and Adrian Pilbeam - Ellis, Mark; O'Driscoll, Nina II.Pilbeam, Adrian (Colchester : Longman)
Keywords: 1.INGLÉS TÉCNICO 2.INGLÉS 3.INGLÉS COMERCIAL -ESTUDIO Y ENSEÑANZA