Gender and Engagement in CS Courses on Piazza. - Adrian Thinnyun; Ryan Lenfant; Raymond Pettit; John R. Hott (SIGCSE, 2021)

Project-Based and Assignment-Based Courses: A Study of Piazza Engagement and Gender in Online Courses. - Ryan Lenfant; Alice Wanner; John R. Hott; Raymond Pettit (ITiCSE (1), 2023)

Office Hours and Online Forum Engagement in Introductory CS Courses. - Alice Wanner; Ryan Lenfant; Michelle Cheng; Thomas Lam; Raymond Pettit; John R. Hott (FIE, 2024)

Detecting Plant VOC Traces Using Indoor Air Quality Sensors. - Seyed Hamidreza Nabaei; Ryan Lenfant; Viswajith Govinda Rajan; Dong Chen 016; Michael P. Timko; Bradford Campbell; Arsalan Heydarian (CoRR, 2025)