Title: 40 pī Saphā Hō̜kānkhā hǣng Prathēt Thai, 28 Mithunāyon 2538
Description: On trade procedures in Thailand and brief history, administration, and functions of the Board of Trade of Thailand.
Subjects: Commerce, Trade regulation, Saphā Hō̜kānkhā hǣng Prathēt Thai
Places: Thailand