@book{fundamentalobjectorientedprogram2026,
  title = {Fundamental Object Oriented Programming},
  author = {Arif Bakti Nugraha},
  year = {2026},
  publisher = {PT. Inovasi Karya Mahendra},
  isbn = {978-634-7240-44-6},
  url = {https://penerbit.inkara.co.id/buku/fundamental-object-oriented-programming/}
}