PHONPHAKDI, C. Hospital Service Sign for Low-literacy Patients: Action Research. Thai Journal of Health Education, [S. l.], v. 37, n. 1, p. 22–34, 2019. Disponível em: https://he01.tci-thaijo.org/index.php/muhed/article/view/174633. Acesso em: 16 sep. 2026.