MAYER, robert R. <br/><br/>
Social planning and social change: 
Robert R Mayer. 
 - London;  Prentice-Hall,  c1972 
 - xv;147p.;  ill.; 
<br/><br/> includes index 
<br/><br/><label>ISBN: </label>0138172889 
<br/><br/><label>Dewey Class. No.: </label>309.212