Tezisy dokladov 3-ĭ konferent͡s︡ii molodykh uchenykh (Russian Edition)

details (USA).

ISBN: 978-5-87555-001-0

ISBN-10: 5-87555-001-5

I͡A︡roslavskiĭ gos. pedagog. universitet im. K.D. Ushinskogo · 1994