Book

Pamūan sap kīeokap singvǣtlō̜m yū Sō̜Pō̜Pō̜ Lāo

by ʻOngkān Vithayāsāt, Teknōlōsī læ Singvǣtlō̜m (Laos), Kokusai Kyōryoku Jigyōdan