International directory of programmed instruction / 
compiled under the direction of the Centre de documentation sur l'enseignement programme of the Institut national pour la formation des adultes, Paris, and revised with the assistance of the International Centre for Advanced Technical and Vocational Training, Turin. 
 - Paris :  UNESCO,  1973. 
 - 191 p. ; 
<br/><br/> English and French. 
<br/><br/><label>ISBN: </label>9230011029 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmed instruction
<br/><br/><label>Dewey Class. No.: </label>371.3944016  / In