1. Boeuf, S.: Arabic Font Production Tutorial (2011)
2. Colazzo, L., Silvestri, L.: The pragmatics of the tutor: a proposal of modelling. In: World Conference on Artificial Intelligence in Education, AI-ED 1997, vol. 8 (1997)
3. Franklin, S., Graesser, A.: Is it an agent, or just a program?: a taxonomy for autonomous agents. In: Müller, J.P., Wooldridge, M.J., Jennings, N.R. (eds.) Intelligent Agents III Agent Theories, Architectures, and Languages, ATAL 1996. Lecture Notes in Computer Science (Lecture Notes in Artificial Intelligence), vol. 1193. Springer, Heidelberg (1997). https://doi.org/10.1007/BFb0013570
4. Giraffa, L., Viccari, R.: The use of agents techniques on intelligent tutoring systems. In Proceedings of the 18th International Conference of the Chilean Society of Computer Science (Cat. No. 98EX212), SCCC 1998, pp. 76–83. IEEE (1998)
5. KNAD: Official recognition of Kenyan Sign language as a national and official language in the Harmonized Draft Constitution (2010)