Longo, R.M.J. <br/><br/>
A study on information systems in Agricultural Sciences: Data bases and Selective Dissemination of Information 

 - Halifax, NS (Canada):   1978.  
 - 232 p. 
<br/><br/> Bibliography p. 163-173 (153 ref.); Summary (Eng) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Documentacao<br/>Sistema de informacao