อ่อนเหลา ศ. Tones of Tai Wat, Ban Fukfan and Tai Wat, Ban Huoyyong,Et District, Houaphanh Province, Laos PDR. CPY [Internet]. 2018 Oct. 31 [cited 2024 May 2];29(2):99-106. Available from: https://so01.tci-thaijo.org/index.php/ejChophayom/article/view/132915