开放教学与学术演示资源，共 10 页。原作者：Garnett, Vicky; Tasovac, Toma; Schreibman, Susan; Ping Huang, Marianne; Papadopoulos, Costas; Leenarts, Ellen; Braukmann, Ricarda; Yankelevich, Tatsiana。保留原文件语言与内容。
资源署名：Garnett, Vicky; Tasovac, Toma; Schreibman, Susan; Ping Huang, Marianne; Papadopoulos, Costas; Leenarts, Ellen; Braukmann, Ricarda; Yankelevich, Tatsiana · cc-by-4.0 · 原始来源
