First Published in 1998. This is a collection of papers created from a visit by teachers and educationalists to the U.S.S.R in April 1955 by invitation of Academy of Educational Sciences of the R.S.F.S.R.
Dieser Download kann aus rechtlichen Gründen nur mit Rechnungsadresse in A, B, BG, CY, CZ, D, DK, EW, E, FIN, F, GR, HR, H, IRL, I, LT, L, LR, M, NL, PL, P, R, S, SLO, SK ausgeliefert werden.