Hobson, W. <br/><br/>
The Theory and practice of public health 

 - 4th ed. 
 - London:  Oxford University Press,  1975 
 - xvi, 685 p.:  ill. :;  28cm 
<br/><br/> Acc. No. 05839 
<br/><br/><label>ISBN: </label>0192642227