Obaid Ullah, A. K. M.  <br/><br/>
A text book of practical biology / 
A. K. M. Obaid Ullah. 
 - 1st ed. 
 - Chittagong :  Jeelani Publications,  c 1968. 
 - viii, 236 p. :  ill. ;  22 cm. 
<br/><br/>319  319 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology.
<br/><br/><label>Dewey Class. No.: </label>574 / A1t