1. Demikhov O., Luk`yanyhin V., Telizhenko A. The world experience of state regulation mechanisms of Housing // Aspects of public administration. - 2015. – № 11-12 (25-26). - P.109-117;
2. Luk`yanyhin V., Demikhov O. Public administration mechanisms in the aspect of attracting investors for the development of housing infrastructure/ V. Luk`yanyhin, O. Demikhov// Actual problems of public administration. – 2016. - №1(49). - P.88-93;
3. Using of information and telecommunication technologies and problem-based learning (PBL) in the formation of competitive competence in medical masters of sumy state university / Demikhova N.V., Smiianov V.A., Prikhodko O.A., Telizhenko O.M., Lukyanikhin V.O., Lukyanikhina O.A., Demikhov O.I. // Azerbaijan Medical Journal. – 2016. – №2. – P. 95-101 (SCOPUS);
4. Using problem-based learning (PBL) and interactive methods in teaching subjects in medical education / N. Demikhova, O. Prykhodko, A. Loboda, V. Bumeister, Y. Smiianov, V. Lukianykhin, O. Demikhov // Journal of PBL in Higher Education. – 2016. – Vol. 4, №1. – Р.81-90;
5. Demikhov O. Philosophy of cities in Ukraine - the right of citizens to participate in municipal management on the example Sumy city // Aspects of public administration. - 2016. - № 4-5 (30-31). - P.70-77;
6. Demikhov O. Geographic information systems as municipality management decisions modeling in the area of city infrastructure efficiency // Actual problems of public administration. – 2016. - №3 (67). - P.68-74 (COPERNICUS);
7. Demikhov O. Information and communicative aspect in the public management of the city's infrastructure/ O. Demikhov// Effectiveness of public administration. – 2016. - №4 (49). - P.275-281 (COPERNICUS);
8. Demikhov O. Elements of the public administrative mechanism in housing sector/O. Demikhov//International scientific Refereed and reviewed journal «Innovative economics and management». – Batumi: National Institute of Economic Research and Batumi Navigation Teaching Institute, № 4(1) 2017. – Р.106-110 (COPERNICUS);
9. Dehtyarova I., Demikhov O. Theoretical-methodological and practical aspects of formation and development in Ukraine models of public housing policy/ I. Dehtyarova, O. Demikhov// Collection of scientific works National Academy of Public Administration. - Kyiv: NAPA, 2017.-Vol.2-P.22-44 (COPERNICUS);
10. Demikhova N., Chernatska O., Mazur T., Bokova S., Rudenko T., Bumeister V., Demikhov O. Markers of cardiovascular complications in patients with type 2 diabetes mellitus and arterial hypertension // Bangladesh Journal of Medical Science. - 2018. – Vol. 17, № 2. - P.319-322 (SCOPUS).
Participation in scientific conferences:
1. Demikhov O., Luk`yanyhin V. Aspects of state investment attractiveness of residential infrastructure //Economics, science, education: integration and synergy, Bratislava, Slovak Republic. - 2016. - P. 51-52;
2. Demikhov O. IT modeling of administrative decisions of the municipality in the area of residential infrastructure of the city / O. Demikhov // Materials of the scientific-practical conference on international participation (Lviv, 2016.) - P.27-29;
3. Demikhov O. Philosophy cities in Ukraine - the origins and contemporary context of the example Sumy city // Materials of the VI International Scientific and Theoretical Conference, Kharkiv. - 2016. - P. 23-25;
4. Demikhov O. Information technology as a communication platform between municipality and society / O. Demikhov// Materials of the annual scientific and practical conference on international participation (Kyiv, 2016.) – 199 P.;
5. Demikhov O. Development of mechanisms of state and municipal management of the city's housing stock in conditions of decentralization in Ukraine / O. Demikhov// Materials of the international scientific and practical conference (Kharkiv, 2017.) - P. 1-3;
6. Demikhov O. Development of elements of the mechanism of public administration infrastructure of housing /O. Demikhov// Materials of the International Scientific and Practical Conference «STABICON systems-2017» (Sumy, 2017.) – P. 41-43;
7. Demikhov O. Legal element the public administrative mechanism in the housing sector of cities/O. Demikhov//Modern marine technologies, problems of socio-economic development and ways of their solution: International research conference (Batumi, 24 June 2017) – P.23-24;
8. Demikhov O. Development of public housing policy in the housing sector as a country's European integration priority /O. Demikhov// Materials of the annual scientific and practical conference on international participation (Кyiv, 2017.) – P.181-184;
9. Demikhov O. Principles of formation and realization of public housing policy as criteria of effectiveness of local self-government bodies /O. Demikhov // Materials of scientific and practical conference on international participation "Local self-government: 20 years of achievements and further progress" (Kyiv, December 05, 2017) (electronic edition) - P.67-69;