 @article{guzmán_ly_2017,  title={Formative research in teaching-learning of graduate students in higher education institutions - Case Peru},  volume={21},  ISSN={1414-8145},  url={https://doi.org/10.1590/2177-9465-EAN-2017-0004-0001},  DOI={10.1590/2177-9465-EAN-2017-0004-0001},  number={4},  journal={Escola Anna Nery},  publisher={Universidade Federal do Rio de Janeiro},  author={Guzmán, Yolanda Rodríguez de and Ly, Carla Cristina Tamayo},  year={2017},  pages={e20170401} }