@article{Socha:2017,
  author  = "R. Socha and M. Farnicka and I. Nowosad",
  title   = "Well - being and work engagement: teachers' professional advancement and how to manage it over time",
  journal = "Acta Medicinae et Sociologica",
  volume  = "vol. 8",
  pages   = "115--132",
  year    = "2017",
}