P. D. Pathak, G. S. D. Tyagi <br/><br/>
Shiksha ke samanya siddhant / 
P. D. Pathak, G. S. D. Tyagi 
 -  Vinod Pustak Mandir Agra 
 - 0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>370.1  / PATS