@article{Nikel:2020,
  author  = ". Nikel",
  title   = "Submissiveness, assertiveness and aggressiveness in school-age children: The role of self-efficacy and the Big Five",
  journal = "Children and Youth Services Review",
  volume  = "Vol. 110",
  pages   = "1--6",
  year    = "2020",
}