Open Access
Kirjallisuutta
Author(s) -
Pekka Kalli
Publication year - 1981
Publication title -
aikuiskasvatus
Language(s) - Uncategorized
Resource type - Journals
eISSN - 2490-0427
pISSN - 0358-6197
DOI - 10.33336/aik.96201
Subject(s) - mathematics