Keliyan, M. 2016. Middle Classes Lifestyle in Postmodern Society: Taiwan, China, Japan and Bulgaria in Comparative Perspective. OMDA, http://www.omda.bg/uploaded_files/files/articles/Keliyan_Taiwan,_China,_Japan,_Bulgaria__1461139921.pdf
Keliyan, M. 2012. Consumption Patterns and Middle Strata: Bulgaria and Japan. PECOB (Portal on Central Eastern and Balkan Europe), University of Bologna, Italy. http://www.pecob.eu/Consumption-patterns-middle-strata-Bulgaria-Japan; 199pp.
Keliyan, M. 2023. Local Community Festivals: Urban and Rural Features. Knowledge International Journal Scientific Papers, Vol. 60, 1, pp. 227-233.
Keliyan, M. 2021. Leisure in Bulgaria. Sociološki pregled/Sociological Review, Vol. LV (2021), Nо. 1, pp. 156–173, doi: 10.5937/socpreg55-30552
Keliyan M. 2021. Local Culture Survival in Depopulated Rural Areas in Japan: Lessons for Bulgaria. In: Kandilarov, E. and Dimitrov, M. (eds.). Japan and The European Southeast – Over a Hundred Years of Political, Economic, Cultural and Academic Interactions. Sofia: St. “Kliment Ohridski” University Press, pp. 109-121.
2020-2024. Local Festivals: Resources of Local Communities for Dealing with Crises. The project, sponsored by The National Research Fund of Ministry of Education and Science. Project leader.
2019-2022. Anti-immigrants Attitudes in Bulgaria. Project member.
2017-2021. Refugees in the Representation of Bulgarians: Fears, Understanding, Empathy. The project, sponsored by The National Research Fund of Ministry of Education and Science. Project member.