@InCollection{Bąbka:2006,
author
=
"J.Bąbka",
title
=
"Co-operation as a category of thinking educationwise",
pages
=
"93--103",
year
=
"2006",
booktitle
=
"Education in turbulent times = Edukacja w czasach burzliwych ISBN: 837481037X",
editor
=
"red. D. Fic",
publisher
=
"Oficyna Wydaw. Uniwersytetu Zielonogórskiego",
address
=
"Zielona Góra",
}