PREEYAPHA WANGMANEE; APINYA JITMANOWAN. The Guidelines for Developing Communicative English Handbook for Elderly in the 21st Century in Muang District, Chiang Rai Province. Fa Nuea Journal, [S. l.], v. 12, n. 1, p. 89–112, 2023. Disponível em: https://so01.tci-thaijo.org/index.php/FaNJ/article/view/265347. Acesso em: 18 may. 2024.