Umstvennyĭ i fizicheskiĭ trud v SSSR
Subtitle: ėkonomicheskie predposylki preodolenii︠a︡ sushchestvennykh razlichiĭ
Publisher: Myslʹ
Published: 1964
Place of publication: Moskva
Language: rus
Number of pages: 143
Subjects: Work; Communism