373 <br/>

   Wellington, C. Burleigh.<br/>
                  Teaching for critical thinking,  with emphasis on secondary education 
[by] C. Burleigh Wellington [and] Jean Wellington. 
 - New York,  McGraw-Hill,  1960. 
 - 364 p.  illus.  24 cm. -
<br/><br/><label>LCCN: </label>60008045  
<br/><br/><label>Nat. Bib. No.: </label>GB61-1786 
<br/><br/>                 <label>Түлхүүр үг: </label>Education, Secondary., 
<br/><br/><label>LC Class. No.: </label>LB1607  / .W36