Author: Kanprachum Radap Chāt Phūbō̜rihān ʻOngkān ʻĒkkachon rūang Botbāt khō̜ng ʻOngkān ʻĒkkachon nai Kānpō̜ngkan læ Kǣkhai Panhā Yasēptit (1st 1980 Chon Burī, Thailand)