Pathak, Sahdev Prasad <br/><br/>
Tel aur unse bane padarth / 
Pathak, Sahdev Prasad 
 -  Hindi Samiti, Suchna Vibhag, Lucknow 
 - 545 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry
<br/><br/><label>Dewey Class. No.: </label>665.352  / PATT