Vugule, Ērika. “Problem of National School in Conceptions of Latvian Teacher’s Professional Organizations (LSS and LNSS), 20th of 20th Century”. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference 1 (May 9, 2015): 174–182. Accessed May 4, 2024. https://journals.rta.lv/index.php/SIE/article/view/33.