Рибалка, Наталя. “THE PROBLEM OF INTERFERENCE IN TEACHING GERMAN AS A SECOND FOREIGN LANGUAGE”. Modern engineering and innovative technologies 4, no. 31-04 (February 28, 2024): 134–139. Accessed July 4, 2025. https://www.moderntechno.de/index.php/meit/article/view/meit31-00-067.