@article{martha_sousa_mendes_2007,  title={An overview of research designs relevant to nursing: Part 3: Mixed and multiple methods},  volume={15},  ISSN={0104-1169},  url={https://doi.org/10.1590/S0104-11692007000500025},  DOI={10.1590/S0104-11692007000500025},  number={5},  journal={Revista Latino-Americana de Enfermagem},  publisher={Escola de Enfermagem de Ribeirão Preto / Universidade de São Paulo},  author={Martha, Driessnack and Sousa, Valmi D. and Mendes, Isabel Amélia Costa},  year={2007},  month={Sep},  pages={1046–1049} }