LEMPERTAS, Izraelis. Pedagogical Meditations (From the Experience of Teaching Scientific Communism). Problemos, [S. l.], v. 13, p. 92–99, 1974. DOI: 10.15388/Problemos.1974.13.5543. Disponível em: https://test.zurnalai.vu.lt/problemos/article/view/5543. Acesso em: 24 oct. 2025.