开放教学与学术演示资源，共 21 页。原作者：Tykhonov, Vyacheslav; Olson, Nasrine; Johansson, Moa; Ferguson, Kim; Jain, Nitisha; May, Lloyd; Scharnhorst, Andrea。保留原文件语言与内容。
资源署名：Tykhonov, Vyacheslav; Olson, Nasrine; Johansson, Moa; Ferguson, Kim; Jain, Nitisha; May, Lloyd; Scharnhorst, Andrea · cc-by-4.0 · 原始来源
