1. Boyko, I. I., A. P. Dolgova and V. G. Kharitonova. 2021. O slozhnoi etnicheskoi i yazykovoi identichnosti naseleniya Chuvashii [About the complex ethnic and linguistic identity of the population of Chuvashia]. Vestnik antropologii. 1(53): 104–120.
2. Boyko I. I., and V. G. Kharitonova. 2016. Slozhnye etnicheskie identichnosti: problemy izmereniya [Complex ethnic identities: measurement problems]. In Etnopoliticheskaya situatsiya v Rossii i sopredel’nykh gosudarstvakh v 2014 godu. Ezhegodnyi doklad. Vol.1. Moscow: IEA RAN: 140–145.
3. Degtyarev G. A., and A. P. Dolgova. 2011. Slozhnosti perevoda perepisnykh voprosnikov na chuvashskii yazyk [Difficulties in translating census questionnaires into the Chuvash language]. In Etnologicheskii monitoring perepisi naseleniya Moscow: IEA RAN: 494–498.
4. Stepanov V. V. (ed.) 2011. Etnologicheskii monitoring perepisi naseleniya [Ethnological monitoring of the population census] Moscow: IEA RAN.
5. Stepanov V. V. 2011. Organizatsiya perevoda perepisnykh voprosnikov VPN 2010 na drugie yazyki [Organization of translation of the VPN 2010 census questionnaires into other languages]. In Etnologicheskii monitoring perepisi naseleniya Moscow: IEA RAN, 2011: 484–488.