О'Leary, Timothy J., О'Leary, Linda I. WordPerfect 5.1 - 0 - USA 1994 - 160 - 0 . 0 ISBN: 0 1000 Source: Хуучин номуудыг каталогт оруулсан Subjects--Index Terms: revised new problems and practice exercises Dewey Class. No.: 005 / W