Open Access„Rocznik Andragogiczny 2016”, vol. 23, ss. 497
Author(s) -
Anna Maria Kola
Publication year - 2018
Publication title -
rocznik andragogiczny
Language(s) - Uncategorized
Resource type - Journals
eISSN - 2391-7571
pISSN - 1429-186X
DOI - 10.12775/ra.2017.030
Subject(s) - mathematics