Pumma, Samiththicha. “A Study of Language and Culture of ‘//’ (feces) of Lao-Wiang in Nong Kop Subdistrict, Ban Pong District, Ratchaburi Province”. Humanities, Arts and Social Sciences Studies 13, no. 2 (December 25, 2013): 47–68. accessed September 11, 2026. https://so02.tci-thaijo.org/index.php/hasss/article/view/12577.