Ober, Scot Gregg college document processing. Lessons 61-120 / Scot Ober - 9th ed. - New York: McGraw-Hil, 2002 - xxiii, 22, 212-493, 36, 8 p. : col. ill.; 28 cm ISBN: 0078257573 Subjects--Topical Terms: Electronic data processing Dewey Class. No.: 651.7