Loehr, Nicholas A <br/><br/>
Introduction to mathematical proofs 

 - Boca Raton  CRC Press  2020 
 - xv, 395 p. 
<br/><br/> 4108 08/10/2021 HBD22/8859 11/10/2021 Main Budget 
<br/><br/><label>ISBN: </label> GBP 84.99 (RS 8728.47) 
<br/><br/><label>Dewey Class. No.: </label>511.3 L824I