THANGAMANI, Rajan; REGULAGEDDA, Pallavi. A Computational Complexity-Based Framework for Predicting the Difficulty of Sudoku Puzzles Using CSP-Based Symbolic Modeling and Constraint Metrics. Journal of Computational and Cognitive Engineering, [S. l.], 2025. DOI: 10.47852/bonviewJCCE52026137. Disponível em: https://ojs.bonviewpress.com/index.php/JCCE/article/view/6137. Acesso em: 17 oct. 2025.