McKay Elspeth Enhancing learning through human computer interaction - Hershey Idea Group Reference U. S. A. 2007 - 266p. cm. ISBN: 1599043289 7231.95 Standard No.: 85698 Source: 10638, 30/03/2007, Govinda Book House Textual Subjects--Topical Terms: EDUCATION Dewey Class. No.: T:3,16, P7