Official webpage Reshaping Thailand through Bureaucratic Reform and Development The History of Thailand's Administration Website of the Department of Provincial Administration – DOPA (in English) ( Internet archive of November 25, 2009)
Nội các Thái Lan Thủ tướng Thái Lan Reshaping Thailand through Bureaucratic Reform and Development The History of Thailand's Administration Website of the Department of Provincial Administration – DOPA (bằng tiếng Anh) ( Internet archive of ngày 25 tháng 11 năm 2009) Official Webpage Thai Government – Cabinet Announcement