Shengpeng SHI; Ziqian SONG; Jiani YANG; Zhiqiang LUAN. Difficulties in Chinese Virtual Learning Environment for Higher Education: An Approach towards Man-Machine-Environment System. Research Highlights in Language, Literature and Education Vol. 2, [S. l.], p. 48–60, 2022. DOI: 10.9734/bpi/rhlle/v2/17086D. Disponível em: https://stm.bookpi.org/RHLLE-V2/article/view/8932. Acesso em: 9 jun. 2026.