СІНЬКО, Ю. І. Conceptual approach and principles of computer systems’ design for educational purposes. Problems of Informatization and Management, [S. l.], v. 4, n. 48, p. 97–102, 2014. DOI: 10.18372/2073-4751.4.8065. Disponível em: https://jrnl.nau.edu.ua/index.php/PIU/article/view/8065. Acesso em: 16 feb. 2026.