MathBuilder: A Collaborative AR Math Game for Elementary School Students. - Almar van der Stappen; Yunjie Liu; Jiangxue Xu; Xiaoyu Yu; Jingya Li; Erik D. Van der Spek (CHI PLAY (Companion), 2019)

Towards Guidelines for Designing Human-in-the-Loop Machine Training Interfaces. - Almar van der Stappen; Mathias Funk (IUI, 2021)