Armstong, Henry E. <br/><br/>
Teaching of scientific method and other papers on education 

 - London  Macmillan Publishing Company  1910 
 - XXXii+504pp  Hb 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>370