@misc{Worek_Barbara_Do,
 author={Worek, Barbara and Jelonek, Magdalena and Kocór, Marcin},
 howpublished={online},
 publisher={Educational Research Institute},
 language={pol},
 type={article},
 title={Do teachers participate in lifelong learning? Competencies and the educational activities of teachers},
 keywords={sociology of education, professional development of teachers, skills, skills development, lifelong learning},
}