ลาภยิ่งยง น. A Development of a Learning Model of Mathematical Proofs for Abilities in Writing Proofs. Ratchaphruek Journal, ์์Nakhon Ratchasima, Thailand, v. 16, n. 1, p. 37–45, 2018. Disponível em: https://so05.tci-thaijo.org/index.php/Ratchaphruekjournal/article/view/125244. Acesso em: 16 sep. 2026.