OKEWU, Emmanuel; MISRA, Sanjay; SANZ, Luis Fernandez; MASKELIŪNAS, Rytis; DAMAŠEVIČIUS, Robertas. An e-Environment System for Socio-economic Sustainability and National Security. Problemy Ekorozwoju, [S. l.], v. 13, n. 1, p. 121–132, 2018. Disponível em: https://ph.pollub.pl/index.php/preko/article/view/5044. Acesso em: 22 jul. 2024.