@article{bogdan1997,
  title={Qualitative Research for Education: An Introduction to Theory and Methods},
  author={Robert Bogdan and Sari Knopp Biklen},
  year={1997},
  journal={Medical Entomology and Zoology},
  url={https://knowledgetrend.com/paper/qualitative-research-for-education-an-introduction-to-theory-and-methods}
}