ZIGMUNDE, Alīda; GUDRO, Ilze; ŪSELE, Ilze; BAUERE, Ineta. Pedagogical Activities of Graduate (1916) of Riga Polytechnic Institute Jānis Rupais (1889–1974) in Latvia. History of Engineering Sciences and Institutions of Higher Education, Riga, Latvia, v. 7, p. 30–46, 2023. DOI: 10.7250/HESIHE.2023.003. Disponível em: https://hesihe-journals.rtu.lv/hesihe/article/view/HESIHE.2023.003.. Acesso em: 6 mar. 2026.