Avatar economies: affective investment from game to platform. - Luke van Ryn; Thomas H. Apperley; Justin Clemens (New Rev. Hypermedia Multim., 2018)

(Re-)Orienting the Video Game Avatar. - Lars de Wildt; Thomas H. Apperley; Justin Clemens; Robbie Fordyce; Souvik Mukherjee (Games Cult., 2020)