Theory, practice and techniques in diffenrential equations / 
3G E-Learning LLC 
 - USA :  3G E-Learning LLC,  2018. 
 - vii, 224 p.: 23cm. 
<br/><br/>Includes: summary, knowledge check, review question, references, index 
<br/><br/><label>ISBN: </label>9781680949032 
<br/><br/><label>Dewey Class. No.: </label>C 515.35 T396 2018