Elementary Number Theory & its applications, 7th edition
Published by Pearson (November 18, 2022) ? 2023

https://www.pearson.com/en-us/subject-catalog/p/elementary-number-theory/P200000007112/9780137356249

ISE Discrete Mathematics and Its Applications
8th Edition
1260091996 · 9781260091991
By Kenneth H. Rosen
? 2019 | Published: July 9, 2018

https://www.mheducation.com.sg/ise-discrete-mathematics-and-its-applications-9781260091991-asia-group