Dubey, Satya Narayan <br/><br/>
Shaikshik takniki / 
Dubey, Satya Narayan 
 -  Sharda Pustak Bhawan, Allahabad 
 - 484p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>371.33  / DUBS