@article{Nikel:2020,
author
=
"Ł.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",
}