Hayes N.Michael, Jenster Per V., Aaby Nils-Erik Business Marketing: A Global Perspective - 0 - 1995 - 342 - 0 . ISBN: 0-256-15976-9 4200 Source: Хуучин номуудыг каталогт оруулсан Subjects--Index Terms: Business marketing Dewey Class. No.: 658.8 / B-97