1. George Amaya J. P. Davis D. V. Gunn C. Harrison R. Pagulayan B. Phillips and D. Wixon. 2008. Games user research (GUR): Our experience with and evolution of four methods. In Game Usability: Advice from the Experts for Advancing the Player Experience Katherine Ibister and Noah Schaffer (Eds.). Morgan Kaufmann San Francisco CA 35--64. George Amaya J. P. Davis D. V. Gunn C. Harrison R. Pagulayan B. Phillips and D. Wixon. 2008. Games user research (GUR): Our experience with and evolution of four methods. In Game Usability: Advice from the Experts for Advancing the Player Experience Katherine Ibister and Noah Schaffer (Eds.). Morgan Kaufmann San Francisco CA 35--64.
2. Web Presence Transformations in the 1990s: An Analysis of Press Releases
3. Regina Bernhaupt (Ed.). 2015. Game user experience evaluation. Springer Cham. 10.1007/978-3-319-15985-0 Regina Bernhaupt (Ed.). 2015. Game user experience evaluation . Springer Cham. 10.1007/978-3-319-15985-0
4. Aaron Birch. 2014. Steam Early Access games --- good or bad? (Jan. 2014). http://www.denofgeek.com/games/steam-early-access/29027/steam-early-access-games---good-or-bad Aaron Birch. 2014. Steam Early Access games --- good or bad? (Jan. 2014). http://www.denofgeek.com/games/steam-early-access/29027/steam-early-access-games---good-or-bad
5. Quantitative Content Analysis: Its Use in Technical Communication