Small Gas Component Detection using Ultrasonic Transmission-mode Tomography System. Jurnal Teknologi, [S. l.], v. 69, n. 8, 2014. DOI: 10.11113/jt.v69.3302. Disponível em: https://journals.utm.my/jurnalteknologi/article/view/3302.. Acesso em: 10 may. 2024.