@article{oakland_1997,  title={Affective assessment},  volume={1},  ISSN={1413-8557},  url={https://doi.org/10.1590/S1413-85571997000100002},  DOI={10.1590/S1413-85571997000100002},  number={2-3},  journal={Psicologia Escolar e Educacional},  publisher={Associação Brasileira de Psicologia Escolar e Educacional (ABRAPEE)},  author={Oakland, Thomas},  year={1997},  pages={11–21} }