Author: Nithatsakān Chalœ̄m Phrakīat nai ʻŌkāt thī Phrabāt Somdet Phraparaminthra Mahā Phūmiphon ʻAdunlayadēt Mahārāt song Čharœ̄n Phrachonmaphansā 6 rō̜p, 5 Thanwākhom 2542 (2000 Hō̜sin, Mahāwitthayālai Sinlapākō̜n)