Ahmad, Sh. Sher  Prof. <br/><br/>
Animal types invertebrates :  Volume I / 
Prof. Sh. Sher Ahmad. 
 - Sixth edition. 
 - Lahore :  Sheikhsons Publishers,  1990. 
 - 279pages :  illustrations ;  22 cm. 
<br/><br/><label>ISBN: </label> hbk. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology
<br/><br/><label>Dewey Class. No.: </label>596  / AHM