LU, J. The Teaching of "BA" Sentence and Existential Sentence. Journal of Sinology (วารสารจีนวิทยา), [S. l.], v. 6, p. 1–22, 2012. Disponível em: https://so16.tci-thaijo.org/index.php/JSINO/article/view/2807. Acesso em: 3 dec. 2025.