Author: Kānprachum thāng Wichākān rư̄ang "Kānwičhai thāng Kānsưksā læ Kānwičhai thī Kīeokhō̜ng kap Kānsưksā" (3rd 1983 Mahāwitthayālai Sīnakharinwirōt, Prasānmit)