Lal <br/><br/>
Ssc Prasar Bharti Engineering Assistant And Technician Recruitment Exam. / 
Dr. Lal & Dr. Sinha 
 - 1st edition 
 -  Upkar ,  2023 
 - 644 
<br/><br/><label>ISBN: </label>9789350133682 
<br/><br/><label>Dewey Class. No.: </label>352.63076  / LAL