C. Lewis, Phenotropic Programming?, presented at the 09/2018, PPIG 2018 - 29th Annual Conference, 2018.
C. Lewis, Methods in user oriented design of programming languages, presented at the 05/2017, PPIG 2017 - 28th Annual Conference, 2017.
V. Koushik and Lewis, C., A Nonvisual Interface for a Blocks Language, presented at the 09/2016, PPIG 2016 - 27th Annual Conference, 2016.
A. Basman, Clark, C., and Lewis, C., Harmonious Authorship from Different Representations, presented at the 07/2015, PPIG 2015 - 26th Annual Workshop, 2015.
C. Lewis, Nonvisual Visual Programming, presented at the 06/2014, PPIG 2014 - 25th Annual Workshop, 2014.
C. Lewis, The intellectual effects of writing a simulation program, presented at the 04/2000, PPIG 2000 - 12th Annual Workshop, 2000.