The editor and contributors of eLearning Essentials 2020 would like to acknowledge Tim Slade of timslade.com. The cover art for this eBook project was adapted from his royalty-free 250+ Free Stock Photos for eLearning collection.
Slade, Tim (2017, February 26). 250+ Free Stock Photos for eLearning. [Web log post]. Timslade.com. Available from https://timslade.com/blog/stock-photos-for-elearning/