Singh, N. K. <br/><br/>
Gate Mathematics / 
Dr. N. K. Singh 
 - 1st edition 
 -  Upkar ,  2023 
 - 440 
<br/><br/><label>ISBN: </label>9788174828705 
<br/><br/><label>Dewey Class. No.: </label>510.76  / SIN