Kumar, Sanjiv Kumar, Sanjeev Singh, Sunil Kumar Suman, R.P. Sinha, Renu Ahilya, Rani <br/><br/>
Objective General Knowledge 

 - 12th ed. 
 - Patna  Lucent  2023 
 - 654p. 
<br/><br/><label>ISBN: </label>9788192933542 
<br/><br/><label>Dewey Class. No.: </label>001  / KUM