Yousuf Abu <br/><br/>
Ordinary differential equations/ 
Abu yousuf 
 - 6th ed. 
 - Dhaka:  mamun,  c2000 
 - 768p.:  ill.;  18 cm. 
<br/><br/> Dept. of civil 
<br/><br/><label>Subjects--Topical Terms: </label><br/>math  
<br/><br/><label>Dewey Class. No.: </label>515.352  / Yoo 6th ed. 2000