3G- Learning <br/><br/>
Core concepts in mathematics:   calculus/ 
3G- Learning 
 - New York:   3G E-learning,   c2019. 
 - vii, 232 pages :   colored illustrations ;   23 cm. 
<br/><br/>Includes bibliographical references and index.<br/> 
<br/><br/><label>ISBN: </label>9781984620514 (pbk.)