Razvi, Syed Sajjad. <br/><br/>
Halki pulkey science /  [Book] 
Syed Sajjad Razvi. 
 - 170 pages :  23 cm. 
<br/><br/> All 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sciences----Natural sciences
<br/><br/><label>Dewey Class. No.: </label>500