Sergei Ivanovich Semin

• Ekonomicheskie osnovy agrarno-promyshlennykh kompleksov
• Preodolenie sotsial'no-ekonomicheskikh razlichii mezhdu gorodom i derevnei
• Razvitie obshchestvenno-ekonomicheskikh otnoshenii v kolkhozakh
• Razvitie sotsialisticheskikh otnoshenii v sel'skom khozyaistve
• Sotsial'no-ekonomicheskoe razvitie Sovetskoi derevni