GENERAL CONDITION OF SPACES BETWEEN RESIDENTIAL BLOCKS IN BULGARIA IN THE PERIOD AFTER 1990. World Science, [S. l.], v. 1, n. 4(8), p. 13–14, 2016. Disponível em: https://rspublisher.org/index.php/ws/article/view/1108. Acesso em: 17 mar. 2026.