Binay Karna and Sanjiv Kumar etc <br/><br/>
Lucent's General Knowledge 
Binay Karna 
 - Nineth 
 - Patna  Lucent Publication  2019 
 - 648p. 
<br/><br/><label>ISBN: </label>9789384761547 
<br/><br/><label>Dewey Class. No.: </label>371.262  / BIN.G