Planning and forecasting social processes / 
World Sociological Congress 
 - Praha :  Academia,  1978 
 - 341 p. :  ill. ;  26 cm. 
 - Czeehaslovak academy of Science .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social policy<br/>Planning<br/>Social prediction
<br/><br/><label>Dewey Class. No.: </label>309.209