จันทะพรม น่านฟ้า. 2019. “Perception on Community Identities of Ethnic Students in Chiang Rai Rajabhat University”. Humanities and Social Sciences Nakhonsawan Rajabhat University Academic Journal 5 (1). Nakhon Sawan, Thailand:135-74. https://so05.tci-thaijo.org/index.php/hssnsru/article/view/176948.