Kānprachum Wichākān thāng Witthayāsātlæthēknōlōyīsưksā (4th 1990 Bangkok, Thailand)

Thitthāng læ nayōbāi nai kānčhat kānsưksā dān witthayāsāt læ theknōlōyī khō̜ng Prathēt Thai samrap chūang ton khō̜ng sattawat thī 21