Sulyak S. G. «Ethno-Demographic Processes in Bessarabia in the 19th - early 20th» // Rusin Studies. An Abstracts Journal 2018. №1 C.32-34
Sulyak S. G. «Multiethnic Moldavia (According to Toponymic and Anthroponymic Information)» // Rusin Studies. An Abstracts Journal 2018. №1 C.37-39
Sulyak S. G. «Ethnic Groups and Languages of Moldavia According to the Results of the Census of 2004 and the Statistics of the State Enterprise “Centre for State Information Resources ‘Registru'”» // Rusin Studies. An Abstracts Journal 2018. №1 C.44-46
Sulyak Sergey G. «Ethnic Groups and Languages of Moldavia according to the Results of the Census of 2004 and the Statistics of the State Enterprise «Centre for State Information Resources "Registru"»» // Rusin 2013. №3 (33) C.94-101
Sulyak Sergey «Multiethnic Moldavia (according to toponymic and anthroponymic information)» // Rusin 2013. №1 (31) C.95-105
