- Peggy Gregory, Philippe Kruchten, editors, Agile Processes in Software Engineering and Extreme Programming - Workshops - XP 2021 Workshops, Virtual Event, June 14-18, 2021, Revised Selected Papers. Volume 426 of Lecture Notes in Business Information Processing, Springer, 2021.
- Peggy Gregory, Casper Lassenius, Xiaofeng Wang 0001, Philippe Kruchten, editors, Agile Processes in Software Engineering and Extreme Programming - 22nd International Conference on Agile Software Development, XP 2021, Virtual Event, June 14-18, 2021, Proceedings. Volume 419 of Lecture Notes in Business Information Processing, Springer, 2021.