Author: Kānprachum Wichākān Praphēnī rawāng Mahāwitthayālai Mahidon læ Mahāwitthayālai Thammasāt rư̄ang Khwāmkhatyǣng læ Thāngʻō̜k khō̜ng Kānchai Sapphayākō̜n læ Singwǣtlō̜m (3rd 1993 Sathāban Phatthanā Kānsāthāranasuk, Mahāwitthayālai Mahidon)