WHO,. <br/><br/>
INTERNATIONAL TRAVEL & HEALTH /   Textual Documents 
NULL. 
 - NULL :   ALL INDIA TEXT BOOKS SUPP. (A.T.T.B.S) ,   1990. 
 - 89 ;   NULL. 
<br/><br/>PSM 
<br/><br/><label>ISBN: </label> 25.00 (PB) 
<br/><br/><label>Subjects--Index Terms: </label>PREVENTIVE SOCIAL MEDICINE 
<br/><br/><label>Dewey Class. No.: </label>614  / WHO