Kochanovskaya Anna V., Gorlov Nikila G., Sobolev Andrey N. «Methods of Digital Linguistic Geography in Research on the Borders Between Closely Related Languages (Dialects of Eastern Serbia and Western Bulgaria)» // Tomsk State University Journal of Philology 2020. №64 C.42-55
Sobolev Andrey N. «Book Review: Mladenovic, R. (2019) Govor Severnosarplaninske Zupe Sirinic [The Subdialect of the Micro-Region Sirinic in the North Shar Mountains]. Beograd: Srpska Akademija Nauka i Umetnosti» // Tomsk State University Journal of Philology 2021. №73 C.334-340
