ABDELKADER MOHAMED ABDELKADER ELSAYED; RASHA ELSAYED SABRY ABBAS. The Effectiveness of De Bono’s Six Thinking Hats Technique in the Development of Critical Thinking and Numerical Sense in Mathematics Education in Oman. Elementary Education Online, [S. l.], v. 20, n. 1, p. 1451–1460, 2021. Disponível em: https://ilkogretim-online.org/index.php/pub/article/view/3753. Acesso em: 15 jan. 2025.