Author: Kānsammanā Praden Khrō̜pkhrūa Khon Nakhō̜n Sawan nai Khrōngkān Sưksā Nǣothāng Kānphatthanā Sapphayākō̜n Manut Čhangwat Nakhō̜n Sawan (1998 Nakhon Sawan, Thailand)