Delong, Nanda Professional services: Text and Cases - 0 - new york Mc Graw Hill 2003 - 538 - 0 . 0 ISBN: 0-07-255920-9 3400 Source: Бэлэг дурсгалын журмаар авсан Subjects--Index Terms: Professions services Dewey Class. No.: 658 / D-34