Siti Hajar Adni Mustaffa, Fatimah Al-Zahrah Mohd Saat, and Ernie Mattokit. “Numerical Study of the Entrance Effects in an Oscillatory Flow of a Standing-Wave Thermoacoustic”. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, vol. 43, no. 1, Mar. 2018, pp. 149-57, https://semarakilmu.com.my/journals/index.php/fluid_mechanics_thermal_sciences/article/view/2685.