M. N. Laptin

• Kachestvo produkt͡s︡ii na sovremennom ėtape
• Lenin on material incentive and enthusiasm of the masses
• Leninskim kursom khoziaĭstvovanii︠a︡
• Marksizm-leninizm o materialʹno-tekhnicheskoĭ baze kommunizma
• Material and moral incentives under socialism
• Stimuly, distsiplina, kachestvo
• V. I. Lenin i sot͡s︡ialisticheskoe khozi͡a︡ĭstvovanie
• V. I. Lenin o materialʹnykh i moralʹnykh stimulakh k trudu
• V.I. Lenin i stimuly k trudu