Arpit Shah and Sourabh Awati (2017) “Literature Review on Study of Looped Travelling Wave in Thermo Acoustic Refrigerator”, International Journal of Advance Research in Engineering, Science & Technology, 4(9), pp. 97–105. Available at: https://ijarest.org/index.php/ijarest/article/view/1730 (Accessed: 16 December 2025).