Lengrand, Paul. <br/><br/>
An introduction to lifelong education / 
by Paul Lengrand. 
 - Paris :  Unesco,  1970. 
 - 99 p. ;  21 cm. 
 - Unesco. Document. ED.70/D.56/A .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Continuing education.