Ivanov, P.N. <br/><br/>
Scientific and technological progress and job qualifications /    
P. N. Ivanov. 
 - Paris :   UNESCO,   1981. 
 - i, 56 p. ;    30 cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Employment (Economic theory).--------