STRAMKALE, Ligita. Zur beruflichen Fortbildung der Musiklehrer in Lettland. Journal of Elementary Education, [S. l.], v. 7, n. 3/4, p. 63–74, 2014. Disponível em: https://old.journals.um.si/index.php/education/article/view/428. Acesso em: 8 nov. 2025.