Lectures and methodological essays on educational planning :  Bergneustadt, 6th-24th july 1964 

 - 306 páginas 
<br/><br/> A la cabeza de la portada: human resources development, training course 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educación--Métodos experimentales<br/>Educación
<br/><br/><label>LC Class. No.: </label>LB41  / O72