Author: Kānprachum Chœ̄ng Patibatkān rư̄ang Phūmpanyā Chāobān kap Kānʻanurak Singwǣtlō̜m (1991 Samnakngān Mūnnithi phư̄a Kānsưksā læ Phatthanā Chāokhao nai Prathēt Thai)