PETROVA, E. The Scientific Research on motivation for learning as an important element of social and economic sciences in the context of sphere of security and defense. Journal of Economic Development, Environment and People, [S. l.], v. 9, n. 4, p. 96–103, 2020. DOI: 10.26458/jedep.v9i4.682. Disponível em: http://ojs.spiruharet.ro/jedep/article/view/682. Acesso em: 25 nov. 2024.