เทียมทัน (Thiamthan) ภ. (Pakapot), “Royal Decree Discourse: A Case study of the Royal Decrees in the Thonburi and the Rattanakosin Periods, the Reign of King Rama I to the Reign of King Rama III”, ๋JASU, vol. 41, no. 2, pp. 100–122, Nov. 2019.