Thailand. Samnakngān Khana Kammakān Pō̜ngkan læ Prāpprām Yāsēptit.

• Office of the Narcotics Control Board
• Phǣn Pō̜ngkān læ Prāpprām Yāsēptit, Phō̜. Sō̜. 2530-2534