THODTHANKHUN, T. Problems in writing official documents of state officials in government agencies in Bangkok between 2017-2019. RMUTSB ACADEMIC JOURNAL (HUMANITIES AND SOCIAL SCIENCES), ฺBangkok, Thailand, v. 6, n. 1, p. 80–91, 2021. Disponível em: https://so05.tci-thaijo.org/index.php/rmutsb-hs/article/view/243603. Acesso em: 6 may. 2024.