ʻĒkkasān kānm̄ưang r̄ưang chātphan watthanatham læ khwāmrū ph̄ưnthin nai Thai Wīatnām læ Lāo - Čhāmarī Chīangth̨ōng (Sūn Mānutsayawitthayā Sirinth̨ōn, 2003)