Svyrydjuk V. LANGUAGE PORTFOLIO AS A MODERN TEACHING TOOL IN THE PROCESS OF INDEPENDENT WORK OF FUTURE GERMAN LANGUAGE TEACHERS. Osvìta, ìnnovatika, praktika [Internet]. 2023 Mar. 29 [cited 2026 Sep. 27];11(3):32-8. Available from: https://oip-journal.org/index.php/oip/article/view/132