IMPROVING INDOOR AIR QUALITY USING LOCAL EXHAUST VENTILATION (LEV). Jurnal Teknologi (Sciences & Engineering), [S. l.], v. 76, n. 6, 2015. DOI: 10.11113/jt.v76.5665. Disponível em: https://journals.utm.my/jurnalteknologi/article/view/5665.. Acesso em: 20 feb. 2025.