Luka, Ineta, Tamara Pigozne, and Svetlana Surikova. “Impact of Plurilingualism on Learning Quality in Evening (Shift) Schools”. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference 4 (May 18, 2015): 90–103. Accessed April 6, 2025. https://journals.ru.lv/index.php/SIE/article/view/343.