Teaching machines and programmed learning : a source book / edited by A. A. Lumsdaine and Robert Glaser. Lumsdaine, Arthur A. ed. Glaser, Robert. ed. Teaching machines. Programmed instruction. 371.33 LUT Includes bibliographical references and index. [Wash.] : Dept. of Audio-Visual Instruction, National Education Association, 1962. 1962. 1962 Text xii, 724 p. : eng