PolewczykI. and KawiakE. (2019) “Math Education of a Young Child in Pre-School and Primary-School Teaching from the Perspective of Forty Years of the Department of Early Childhood Education and Media Pedagogy of the University of Silesia in Katowice”, Chowanna, pp. 111-124. doi: 10.31261/CHOWANNA.2019.S.06.