Contact center services : intermediate / [authorised and edited by 3G E-learning FZ LLC] - v, 312 pages : color illustrations ; 30 cm. + 1 DVD (4 3/4 in). Includes bibliographical references and index. ISBN: 9789351158059 (paperback) Subjects--Topical Terms: Call centersCall centers--ManagementCall centers--Computer network resourcesTelephone etiquette LC Class. No.: HE8788