Vaska, Jules <br/><br/>
Guide on the organisation and the operation of documentation of information centres and services for technical and vocational education / 
Vaska, Jules 
 - 1 st ed. 
 - Paris:  UNESCO publishing,  1981. 
 - 99p.; 
<br/><br/> includes glossary and references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information services<br/>Vocational education