Tsaralunga, Inna2022-12-132022-12-132019Tsaralunga, I. Methodological principles of diachronic study of linguistic variation in the Ukrainian language / Inna Tsaralunga // Advanced education. – 2019. – Iss. 13. – Pp. 26-35.https://ela.kpi.ua/handle/123456789/51420enlanguagevariantvariationmethodological principlediachronyOld Ukrainian languageMethodological principles of diachronic study of linguistic variation in the Ukrainian languageArticlePp. 26-35https://doi.org/10.20535/2410-8286.154597