Ahsan,Zafar <br/><br/>
Differential Equations and Their Applications 

 - 3rd Edition 
 - Delhi  PHI Learning Private Limited  2024 
 - 634p. 
<br/><br/><label>ISBN: </label>9788120352698 
<br/><br/><label>Dewey Class. No.: </label>512  / AHS/D