Author: Kānprachum Radap Nayōbāi rư̄ang Rūpbǣp thī Mo̜som nai Kānprǣrūp Ratthawisāhakit samrap Phǣnphatthanā Sētthakit læ Sangkhom hǣng Chāt Chabap thī 6 (1986 Čhulālongkō̜nmahāwitthayālai)