Ssc je 2023 paper 1 mechanical engineering  Topic wise solved papers 2008-2019 included 2020-2022 

 - New Delhi  G. K. Publications Pvt Ltd.  2023 
 - chapter 1 to 11p. 
<br/><br/><label>ISBN: </label>9789356811584 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MECHANICAL
<br/><br/><label>Dewey Class. No.: </label>621