KNUDSEN, Jørgen Lindskov; MADSEN, Ole Lehrmann; NØRGAARD, Claus; PETERSEN, Lars Bak; SANDVAD, Elmer. Teaching object-oriented programming using BETA. DAIMI Report Series, [S. l.], v. 19, n. 312, 1990. DOI: 10.7146/dpb.v19i312.6559. Disponível em: https://tidsskrift.dk/daimipb/article/view/6559. Acesso em: 11 dec. 2025.