Ilagan, Daisy A. Technology and livelihood education exploratory course : computer hardware servicing / Daisy A. Ilagan and Engr. Michael C. Dalisay - Batangas United Eferza Academic Publications Co. c2012. - 132 p. - K to 12 series . Subjects--Topical Terms: Computer science. Dewey Class. No.: Res 004 Il1 2012 c.2