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Kai_Vogel. (2015). Book-heart-read-love-pages-paper-education. Retrieved from https://pixabay.com/photos/book-heart-read-love-pages-paper-1897179/. Pixabay License.
KissClipArt. (n.d.). Engineering logo. Retrieved from https://www.kissclipart.com/under-construction-clipart-construction-building-hg9q3i/
Langwitches. (2011). 21st century teaching and learning is NOT about the tools, but about the skills. Retrieved from https://www.flickr.com/photos/langwitches/5687009461. CC BY-NC-SA 2.0
nickrate. (2010). Web 2.0 collage v2. Retrieved from https://www.flickr.com/photos/nickrate/4504163196 CC BY 2.0.
Youngsan, N. (n.d.). Database. Retrieved from http://www.picserver.org/highway-signs2/d/database.html. CC BY-SA 3.0