www.freetech4teachers.com/2021/08/add-googles-ngram-viewer-to-your-list.html

Using Podcasts in Your Classroom – Duke Learning Innovation
— Read on learninginnovation.duke.edu/blog/2021/07/using-podcasts-in-your-classroom/

elearning2020.pressbooks.com/

online-journals.org/index.php/i-jet/article/view/22391

Use of Microblogging, Social Networking, and Short Messages in E-learning for Information Culture Building

www.worldhistorycommons.org/primary-sources