Object-Oriented Programming with Delphi - Delphi Succinctly Ebook
OOP in Delphi - Photo Company Example (Part 1) - YouTube
A Complete Guide To Programming In C++ – Object Oriented Programming
Coding a Game of Memory in Delphi – The User Interface | Žarko Gajić
GitHub - mariuszmaximus/delphi-oop
Visual Object-Oriented Programming Using Delphi With CD-ROM (SIGS: Advances in Object Technology, Series Number 14): Wiener, Richard, Wiatrowski, Claude A.: 9780136186380: Amazon.com: Books
In Delphi OOP, when does an object need to return a value? - Stack Overflow