Author: Kānprachum Wichākān thāng Manutsayawitthayā "Āsīan : Prachākhom nai Miti Watthanatham Khwāmkhatyǣng læ Khwāmwang" (10th 2012 Sūn Manutsayawitthayā Sirinthō̜n)