The second ten years :  on the world health organization, 1958 - 1967 / 
WHO 
 - Geneva, Switzerland, :  WHO,  1968 
 - 413 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Salud Mundial
<br/><br/><label>Dewey Class. No.: </label>610.621  / W927s