Home › Authors › Yutthaphong Phongsawat 👤 Yutthaphong Phongsawat b. 1921 – d. 1972 · 2 books Books by Yutthaphong Phongsawat Phō̜. Tō̜. Tō̜. Yutthaphong Ph Phō̜. Tō̜. Tō̜. Yutthaphong Phongsawat 1972 Sư̄psūan sō̜psūan Sư̄psūan sō̜psūan 1972