Gas Hold-Up Profiles Determination by means of Ultrasonic Transducer. Jurnal Teknologi (Sciences & Engineering), [S. l.], v. 69, n. 8, 2014. DOI: 10.11113/jt.v69.3300. Disponível em: https://journals.utm.my/jurnalteknologi/article/view/3300.. Acesso em: 16 jan. 2025.