Home › Authors › Wīrasak ʻUdomkitdēchā. 👤 Wīrasak ʻUdomkitdēchā. 1 book Books by Wīrasak ʻUdomkitdēchā. ʻUtsāhakam singthō̜ Thai kap ʻUtsāhakam singthō̜ Thai kap konlayut khō̜ng kānwičhai læ phatthanā 1997