KIRIS, Kaspars. Developement of the Centers of Vocational Education in Latvia. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference, Rezekne, Latvia, v. 2, p. 116–123, 2015. DOI: 10.17770/sie2014vol2.668. Disponível em: https://archive-journals.rtu.lv/sie/article/view/841.. Acesso em: 11 mar. 2026.