THERMOACOUSTIC COOLING PERFORMANCE USING NYLON 6 STACK MATERIAL OF VARIED GEOMETRY AND BLENDED HELIUM-ARGON GAS. Nigerian Journal of Technology, [S. l.], v. 44, n. 1, p. 77–86, 2025. DOI: 10.4314/njt.v44i1.9. Disponível em: https://nijotech.com/index.php/nijotech/article/view/4362. Acesso em: 4 may. 2026.