THANAPRAIRAK, S. The Development of the Chinese Language Learning Material: Pinyin Learning Package by Khru Ting Ting. Journal of Liberal Arts RMUTT, Pathum Thani, Thailand, v. 1, n. 2, p. 52–64, 2022. Disponível em: https://so07.tci-thaijo.org/index.php/JLA/article/view/1476. Acesso em: 11 may. 2025.