Author: Kānprachum ʻOngkān Phāk ʻĒkkachon Radap Chāt rư̄ang Botbāt khō̜ng Khrō̜pkhrūa kīeokap Kānpō̜ngkan læ Kǣkhai Panhā Kānchai Yā nai Thāng thī Phit (4th 1986 Mahāwitthayālai Sukhōthaithammāthirāt)