Vugule Ērika. Problem of National School in Conceptions of Latvian Teacher’s Professional Organizations (LSS and LNSS), 20th of 20th Century. SIE [Internet]. 2015 May 9 [cited 2024 Nov. 15];1:174-82. Available from: https://journals23.rta.lv/index.php/SIE/article/view/33