BELLO, Alwielland Q. Development and Utilization of a Modified Resonator Tube Apparatus for Sound Wave Experiments. JPAIR Multidisciplinary Research, Philippines, v. 13, n. 1, p. 44–56, 2013. DOI: 10.7719/jpair.v13i1.222. Disponível em: https://philair.ph/index.php/jpair/article/view/222. Acesso em: 29 mar. 2025.