RATCHAPHRUEK JOURNAL. January - April 2021. Ratchaphruek Journal, [S. l.], v. 19, n. 1, p. 1–160, 2021. Disponível em: https://so05.tci-thaijo.org/index.php/Ratchaphruekjournal/article/view/250568. Acesso em: 26 aug. 2026.