GOMBÁS, László. Safety of immovable and land market development Introducing CelkCenter: Introducing CelkCenter. Acta Agraria Kaposváriensis, [S. l.], v. 7, n. 3, p. 29–43, 2003. Disponível em: https://journal.uni-mate.hu/index.php/aak/article/view/1668. Acesso em: 5 dec. 2025.