CS2 and the Impact of Programming Language Choice. - Robert M. Siegfried; Katherine G. Herbert-Berger; Jason P. Siegfried (SIGCSE, 2020)

Trends Of Commonly Used Programming Languages in CS1 And CS2 Learning. - Robert M. Siegfried; Katherine G. Herbert-Berger; Kees Leune; Jason P. Siegfried (ICCSE, 2021)