NAUFALDI, muhammad. Noice Level Meassurenment and Analysis in Faculty of Mathematics and Natural Science University Palangka Raya Class Room. SIPET Journal (Scientific Investigations of Physical Science and Engineering in the Tropics), [S. l.], v. 1, n. 01, 2025. Disponível em: https://e-journal.upr.ac.id/index.php/sipet/article/view/19617. Acesso em: 18 aug. 2025.