00857nam a2200241 a 4500 BRCA_8101 20190320210131.0 080414s1964----u--####f##---#001-0#eng-# eng u QA75.5 .D223 1964 Darnowsky, Vincent S. 20154 Computers-Theory and uses a unit for Junior High School clases Vincent S. Darnowsky ; edited by Hugh Allen Jr. Unites States of America National Science Teachers 1964 108 p. il. 23 cm. Y148 Prepared by the Project on Information Processing of the National Science Teachers Association Computadoras Teoría Estados Unidos 20155 Computadoras Aplicaciones Estados Unidos 20156 Allen, Hugh ed. 20157 GFM lcc B 7769 7769 0 0 0 0 BRCA BRCA 2014-04-08 Y148 0 QA75.5 .D223 1964 (Y148) 8725 2019-03-22 00:00:00 2019-03-22 B