Čhattham dōi Bitsinēt Phaplikhēchan (Prathēt Thai) Čhamkat = Man-ku chien tu 200 chou nien chi nien t ̓e k ̓an / ch ̕u pan (ta̓i-kuo) yu hsien kung ssu = Bicentennial souvernir / researched, edited, and produced by the Business Publications (Thailand) Co, Ltd