THONGPAN, S.; SUKUMAN, P. Chi Valley Civilization: History Culture and Wisdom in Khon Kean Province. Dhammathas Academic Journal, [S. l.], v. 24, n. 1, p. 1–16, 2024. Disponível em: https://so06.tci-thaijo.org/index.php/dhammathas/article/view/267786. Acesso em: 6 oct. 2026.