University of Zambia Library Search for 'au:"McKown, Harry Charles, 1892-"'

Audio-visual aids to instruction /

By McKown, Harry Charles, 1892-. New York ; London : McGraw-Hill book Co., Inc., 1949 , "Selected references" at end of each chapter except chapter III. "Sources of materials and equipment": p.579-595.

Place Hold on Audio-visual aids to instruction /

Audio-visual aids to instruction /

Place Hold on Audio-visual aids to instruction /