Gallaudet University, Visual Language and Visual Learning. (2013). The Baobab. (Version 1.1)
Gallaudet University, Visual Language and Visual Learning. (2013). The Baobab. (Version 1.1) [Mobile application software] Developed by Melissa Malzkuhn. Retrieved from https://itunes.apple.com/us/app/the-baobab/id585916034?mt=8