Barrak, A.S., M. Saleh, A.A. and Naji, Z.H. (2021) “A Heat Recovery Device using Oscillating Heat Pipe with Circular and Elliptical Tubes”, International Journal of Automotive and Mechanical Engineering, 18(1), pp. 8442 – 8453. doi:10.15282/ijame.18.1.2021.04.0639.