Postlethwait, S. N. The Audio Tutorial Approach to Learning through Independent Study and Integrated Experiences [Text] S. N. Postlethwait & J. Novak & H. T. Murray - Third - Burgess Publishing Co;, Minnesota 1972 - x , 184 p, ; Pb ISBN: 0808760025 0.00 LCCN: 029817 Dewey Class. No.: 371.3 / P858A