Practicing ABAP Objects: Elements of Reusable OO Software
Why do you think that https://github.com/brehberg/PAO-head-first is a good alternative to PAO-design-patterns
Practicing ABAP Objects: Elements of Reusable OO Software
Why do you think that https://github.com/brehberg/PAO-head-first is a good alternative to PAO-design-patterns