A syntax-directed keyboard extension for writing source code on touchscreen devices. - Islam Almusaly; Ronald A. Metoyer (VL/HCC, 2015)

Syntax-directed keyboard extension: Evolution and evaluation. - Islam Almusaly; Ronald A. Metoyer; Carlos Jensen (VL/HCC, 2017)

Evaluation of A Visual Programming Keyboard on Touchscreen Devices. - Islam Almusaly; Ronald A. Metoyer; Carlos Jensen (VL/HCC, 2018)