LAPCHOK, B.; KEERATICHAMROEN, W. A Study of Learning Achievement and Analytical Thinking Ability of Grade 6 Students Using Six Hats Thinking Technique. Ratchaphruek Journal, ์์Nakhon Ratchasima, Thailand, v. 20, n. 1, p. 82–94, 2022. Disponível em: https://so05.tci-thaijo.org/index.php/Ratchaphruekjournal/article/view/253906. Acesso em: 16 sep. 2026.