Barrak, Anwar S., Ahmed A. M. Saleh, and Zainab H. Naji. “A Heat Recovery Device Using Oscillating Heat Pipe With Circular and Elliptical Tubes”. International Journal of Automotive and Mechanical Engineering 18, no. 1 (March 2, 2021): 8442 –. Accessed April 23, 2024. https://journal.ump.edu.my/ijame/article/view/4630.