For the book, you may refer: https://amzn.to/3aT4ino
This lecture describes integer programming, its need, and the method to solve integer programming problems.
Other Videos ‪@DrHarishGarg‬
Integer Programming- An overview:    • Integer Programing - An overview and ...  
Branch & Bound Method:    • Branch and Bound Method | Integer Pro...  
Gomory Cutting Plane Method:    • Gomory Cutting Plane Method for Integ...