James Fraser, Michael Katchabaw, Robert E. Mercer. A methodological approach to identifying and quantifying video game difficulty factors. Entertainment Computing, 5(4):441-449, 2014. [doi]
@article{FraserKM14,
title = {A methodological approach to identifying and quantifying video game difficulty factors},
author = {James Fraser and Michael Katchabaw and Robert E. Mercer},
year = {2014},
doi = {10.1016/j.entcom.2014.08.004},
url = {http://dx.doi.org/10.1016/j.entcom.2014.08.004},
researchr = {https://researchr.org/publication/FraserKM14},
cites = {0},
citedby = {0},
journal = {Entertainment Computing},
volume = {5},
number = {4},
pages = {441-449},
}