Tài liệu tham khảo WikiPedia: Người_Isan http://www.ethnologue.com/show_country.asp?name=TH //doi.org/10.1080%2F1463136042000221898 http://www.polis.leeds.ac.uk/assets/files/thaipol/... https://archive.org/details/encyclopediapeop00west https://archive.org/details/encyclopediapeop00west... https://archive.org/details/stateethnicpolit00brow https://archive.org/details/stateethnicpolit00brow...
