https://dl.acm.org/doi/10.1145/3402942.3403015

https://dl.acm.org/doi/abs/10.1145/3474700

http://www.digra.org/digital-library/publications/play-arcs-structuring-player-stories-for-codesign-content-generation-in-persistent-game-worlds/

https://www.diva-portal.org/smash/record.jsf?pid=diva2%3A937094&dswid=3692