Tiwari, R.C. ; Tripathi, Sudhakar <br/><br/>
Prayogatmak bhugol / 
Tiwari, R.C. ; Tripathi, Sudhakar 
 -  Prayag Pustak Bhawan, Allahabad 
 - 526p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography
<br/><br/><label>Dewey Class. No.: </label>910  / TIWP