Ryans, David Garriott  1909, <br/><br/>
Characteristics of teachers, their description, comparison, and appraisal :  A research study. 

 - 416 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Maestros
<br/><br/><label>LC Class. No.: </label>LB1775  / R92