...
Energizing online group work (Harvard): https://hbsp.harvard.edu/inspiring-minds/energize-your-online-course-with-group-work
How to engage students in an online classroom (Chronicles): https://www.chronicle.com/article/How-to-Engage-Students-in-a/249143
Synchronous strategies (Faculty focus): https://www.facultyfocus.com/articles/online-education/synchronous-strategies-for-the-new-normal/
Suggested tips for online teaching - best practice online teaching.docx
...