Science :   Classes 9-10 /  
by Shahjahan Tapan ... [et al.]. 
 - Dhaka :  National Curriculum and Textbook Board,  c2012. 
 - 208 p. :  ill. ;  21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science.
<br/><br/><label>Dewey Class. No.: </label>500  / SCI