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I contadini russi 50 anni dopo
Mett, Ida, (1967)
Naučno-techničeskij progress i izmenenie charaktera truda v selʹskom ohozjajstvo
Isachanov, Rafael Sergeevič, (1977)
Problems of utilization of labor resources in the countryside
Vasilenko, M., (1966)
Certain Findings of a Study on the Utilization of Labor Resources on Collective Farms
Gaevskaia, V., (1970)