Research methods in health, physical education, recreation. 

 - 2a. Ed. 
 - Washington, Estados Unidos   American Association for Health.  1959 
 - 536 p.     23 cm. 
<br/><br/>Incluye bibliografía 
<br/><br/><label>Subjects--Topical Terms: </label><br/>DEPORTES.<br/>EDUCACION FISICA.
<br/><br/><label>Dewey Class. No.: </label>796.07/Am35r/1959