เสน่ห์ (Sane) น. (Nopparat) (2019) “Hypotheses about the relation between /dooj/ and /dûaj/”, Journal of the Faculty of Arts, Silpakorn University, 41(1), pp. 201–217. available at: https://so04.tci-thaijo.org/index.php/jasu/article/view/195880 (accessed: 16 September 2026).