Study on the problems of accessibility and dissemination of data for science and technology 

 - v, 102 
 - UNISIST ; SC.74/WS/16 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Disseminação seletiva da informação
<br/><br/><label>Universal Decimal Class. No.: </label>025.5.001.8:5/6  / U58s