Svobodnoe vremia i nravstvennoe razvitie lichnosti
By: Z.A.Petrova
Series: Novoe v zhizni, nauke, tekhnike. Serii͡a Ėtika -- 7/1975; Novoe v zhizni, nauke, tekhnike -- 7/1975
Publisher: "Znanie"
Published: 1975
Place of publication: Moskva
Language: rus
Number of pages: 60
Notes: Includes bibliographical references.