Author: Thailand. Ratthasaphā. Wutthi Saphā. Samnakngān Lēkhāthikān. Samnak Kammāthikān 3. Khana Kammāthikān Sitthi Manutsayachon Sitthi Sērīphāp læ Khumkhrō̜ng Phūbō̜riphōk