@misc{indiciae3a7950052fa7,
  title = {[Research methodology - theory and practice. 2].},
  author = {Y Chiba and K Maeda and N Ishikawa and E Yamashita and K Hatano},
  year = {1969},
  url = {https://pubmed.ncbi.nlm.nih.gov/5307021/},
  note = {Source identifier: 5307021}
}