Th Educational  Administrator and Instructional Materials 

 - Paris:  Unesco,  1984. 
 - 180p.;  24 cm 
<br/><br/><label>ISBN: </label>92 3 102202 4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>School Education
<br/><br/><label>Dewey Class. No.: </label>371.2  / UNE