Risk, Thomas Marion <br/><br/>
Principles and practices of teaching in secondary schools 
[by] Thomas M. Risk. 
 - New York  American Book Co.  1958. 
 - 526 p. 
<br/><br/><label>LCCN: </label>91050146 //r90 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Experimental methods.<br/>Educational psychology<br/>Education, Secondary
<br/><br/><label>LC Class. No.: </label>LB1607  / .R5 1958 
<br/><br/><label>Dewey Class. No.: </label>373.1/3