@misc{indiciae33f887199e7d,
  title = {Relationship between self-concept and classroom behavior in two informal elementary classrooms.},
  author = {N Shiffler and J Lynch-Sauer and L Nadelman},
  year = {1977},
  url = {https://pubmed.ncbi.nlm.nih.gov/893771/},
  note = {Source identifier: 893771}
}