Trud - osnova nravstvennogo formirovaniia lichnosti
By: L.N. Litvinov
Series: Novoe v zhizni, nauke, tekhnike. Serii͡a Ėtika -- 5; Novoe v zhizni, nauke, tekhnike -- 5
Publisher: "Znanie"
Published: 1975
Place of publication: Moskva
Language: rus
Number of pages: 63