KALENDA, Česlovas. Necessity of the Social Moral Education. Problemos, [S. l.], v. 7, p. 26–31, 1971. DOI: 10.15388/Problemos.1971.7.5808. Disponível em: https://www.journals.vu.lt/problemos/article/view/5808.. Acesso em: 27 apr. 2024.