Rugg Harold .O <br/><br/>
Statistical Methods Applied to Education  A text Book for Students of Education in the Quantitative study of School Problems 

 - Boston  Houghton Mifflin Company  1917 
 -  29 .8 cm 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>371.3