@article{articlef2077b85,
title   = {Predicting students' flow experience through behavior data in gamified educational systems},
author = {Santos, Wilk Oliveira dos and Tenório, Kamilla and Hamari, Juho and Pastushenko, Olena and Isotani, Seiji},
year = {2021},
doi = {10.1186/s40561-021-00175-6},
journal   = {Smart Learning Environments}
}