Opitz, Kurt. <br/><br/>
Mother tongue practice in the schools;  conditions - views - experiments, 
edited by Kurt Opitz. 
 - Hamburg,  Unesco Institute for Education,  1972. 
 - Educational research and practice ;  2 .
<br/><br/>Bibliography: p. 309-316. 
<br/><br/><label>LCCN: </label>73158247 
<br/><br/><label>Nat. Bib. No.: </label>GDB*** 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language arts.
<br/><br/><label>LC Class. No.: </label>LB1575.8  / .O64 
<br/><br/><label>Dewey Class. No.: </label>407