Manual for surveying national and technological potential :  collection and processing of data management of the "R and D" system.  

 - Paris :  Unesco,  1969. 
 - 251 p. :  ill. ;  28 cm. 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Education, research, related topics.
<br/><br/><label>Dewey Class. No.: </label>507.2 / U2m