Automated Prediction of Sudoku Puzzle Difficulty Using Convolutional Neural Networks. The Eurasia Proceedings of Science, Technology, Engineering and Mathematics, [S. l.], v. 36, p. 241–244, 2025. DOI: 10.55549/epstem.1175. Disponível em: https://epstem.net/index.php/epstem/article/view/1175. Acesso em: 8 feb. 2026.