ABDISAMATOV , O. .; NAJIMOV , Z. . CARTOGRAPHIC SYMBOLS AND THEIR USE. Бюллетень студентов нового Узбекистана, [S. l.], v. 3, n. 5, p. 123–127, 2025. Disponível em: https://in-academy.uz/index.php/yota/article/view/52891. Acesso em: 17 мар. 2026.