Graphic communications :  a technical drawing course for general education :  background paper. 

 - 3rd ed. 
 - Paris :  Unesco, Section of Technical & Vocational Education,  1982. 
 - [14] p. :  ill. 
 - INFO TVE ;  6 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication of technical information.<br/>Mechanical drawing--Study and teaching.<br/>Communication--Graphic methods.<br/>Technical education.<br/>Vocational education.