Delbourgo, Roger <br/><br/>
Trigonometry  : notes, problems and exercises /  

 - New Jersey:  World Scientific,  2017 
 - xvi, 172p. Bibl. Index. 
<br/><br/>Purchased under NBHM grant for the year 2023-2024 
<br/><br/><label>ISBN: </label>9789813203112  
<br/><br/><label>Dewey Class. No.: </label>516.24  / D344.TN