1
2
3
Published: 1986
Superior document: Prace pedagogiczne 54
4
Published: 1981
Superior document: Prace pedagogiczne 31
5
Published: 1978
Superior document: Acta Universitatis Wratislaviensis 369
6
Published: 1987
Superior document: 850 : Prace pedagogiczne 56
7
Published: 1982
8
Published: 1986
Superior document: Prace pedagogiczne 50
9
Published: 1987
Superior document: Prace pedagogiczne 64
10
Other Authors:
“...Potyrala, Boleslaw...”
11
Published: 1982
Superior document: Prace pedagogiczne 28
12
Published: 1986
Superior document: Prace pedagogiczne 59
13
Other Authors:
“...Potyrala, Boleslaw...”
14
Other Authors:
“...Potyrala, Boleslaw...”