Grading-Based Test Suite Augmentation. - Jonathan Osei-Owusu; Angello Astorga; Liia Butler; Tao Xie 001; Geoffrey Challen (ASE, 2019)

Data-Driven Investigation into Variants of Code Writing Questions. - Liia Butler; Geoffrey Challen; Tao Xie 001 (CSEE&T, 2020)

Insights from Student Solutions to SQL Homework Problems. - Seth Poulsen; Liia Butler; Abdussalam Alawini; Geoffrey L. Herman (ITiCSE, 2020)

Validating an Observation Protocol for Structured Roles in Cooperative Learning. - Morgan M. Fong; Liia Butler; Hongxuan Chen; Geoffrey L. Herman (FIE, 2022)

Point or Time: Motivating Quality Coding Submissions. - Liia Butler (SIGCSE (2), 2023)

ILDBug: A New Approach to Teaching Debugging. - Liia Butler; Charlotte Kiesel; Dipayan Mukherjee; Mohammed Hassan; Mattox Beckman; Geoffrey L. Herman (SIGCSE (2), 2025)