; ; . MEASUREMENT OF COORDINATES OF A COLOURED OF SURFACE OF SIGN-BOARDS. Municipal economy of cities. Series: «Economy science», [S. l.], n. 124, p. 53–61, 2016. Disponível em: https://khges.kname.edu.ua/index.php/khges/article/view/4719. Acesso em: 24 jun. 2025.