Kopp, Oswald W. <br/><br/>
Orientaciones para maestros de escuela primarias 
/ O. W. Kopp y Marie O. McNeff. 
 - Mexicon  Editorial Limusa-Wiley, S.A.  1970. 
 - 1078 p.  illus. 
<br/><br/>Bibliography: p. 101-107. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Personnel service in elementary education.--United States.