Core concepts in physics :  relativity / 
by 3G E-Learning 
 - New York :  3G E Learning,   2019 
 - vii, 271 pages ;  23 cm 
<br/><br/><label>ISBN: </label>9781984620309 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics--Relativity
<br/><br/><label>LC Class. No.: </label>QC20  / .G316