@article{rowe2011integrating,
title={Integrating learning, problem solving, and engagement in narrative-centered learning environments},
author={Rowe, Jonathan P. and Shores, Lucy R. and Mott, Bradford W. and Lester, James C.},
journal={International Journal of Artificial Intelligence in Education},
volume={21},
number={1-2},
pages={115--133},
year={2011}
}