https://www.crcpress.com/Applied-Combinatorics-Second-Edition/Roberts-Tesman/9781420099829 https://www.crcpress.com/Applied-Combinatorics-Second-Editio... This

https://www.crcpress.com/Applied-Combinatorics-Second-Edition/Roberts-Tesman/9781420099829 https://www.crcpress.com/Applied-Combinatorics-Second-Editio... This is also a nice complementary book.