UMIDA LUTFILLO KIZI AKHMATJONOVA. Hidden contour line: meaning and use . Technical Science Integrated Research, [S. l.], v. 1, n. 6, p. 18–22, 2025. Disponível em: https://altumnova.com/index.php/tsir/article/view/36. Acesso em: 30 mar. 2026.