LUNECKAS, Balys. Hėgelis apie socialinę pažangą. Problemos, [S. l.], v. 10, p. 23–31, 1972. DOI: 10.15388/Problemos.1972.10.5487. Disponível em: https://www.zurnalai.vu.lt/problemos/article/view/5487. Acesso em: 2 may. 2025.