Author: Kānsammanā Wichākān nư̄angnai ʻŌkāt khrop rō̜p 30 pī hǣng Kānkō̜tang Sathāban Wičhai læ Phatthanā Mahāwitthayālai Khō̜n Kǣn (2009 Khon Kaen, Thailand)