"พระราชทานบรรดาศักดิ์"(PDF). Royal Thai Government Gazette (in Thai). 41 (ง): 1244. Archived from the original(PDF) on 27 September 2015. Retrieved 30 June 2020.
"พระราชทานบรรดาศักดิ์"(PDF). Royal Thai Government Gazette (in Thai). 41 (ง): 1244. Archived from the original(PDF) on 27 September 2015. Retrieved 30 June 2020.