Tài liệu tham khảo WikiPedia: Pornsak Songsaeng https://mgronline.com/onlinesection/detail/9620000... https://en.wikipedia.org/wiki/ https://en.wikipedia.org/wiki/Pornsak_Songsaeng https://www.matichon.co.th/politics/news_1389754 https://siamrath.co.th/n/62928
