Esteban, Clifford P., The amazing world of computers 1,2,3 / Clifford P. Esteban. - Second edition. - Quezon City : Phoenix Publishing House, Inc., 2010. - vii, 227 pages : illustrations ; 28 cm. ISBN: 9789710629640 9789710629664 9789710629657 Subjects--Topical Terms: Computers. Dewey Class. No.: 005 / E79a