Author: Thailand. Ratthasaphā. Wutthi Saphā. Samnakngān Lēkhāthikān. Samnak Kammāthikān 2. Khana Kammāthikān Kitčhakān ʻOngkō̜n tām Ratthathammanūn læ Tittām Kānbō̜rihān Ngoppramān