NARUNGSRI, K. Hand Writing skills: Pencil grip. Maharat Nakhon Ratchasima Hospital Journal, Nakhon Ratchasima,Thailand, v. 29, n. 1, p. 1–6, 2025. Disponível em: https://he04.tci-thaijo.org/index.php/MNRHJ/article/view/2514. Acesso em: 17 apr. 2025.