Mukhlif, Ebtihal, and Waleed Abed. “Procedures of Exploitation Passive Techniques to Boost Thermal Performance in Circular Tube Heat Exchangers: A Comprehensive Review”. Anbar Journal of Engineering Science, vol. 15, no. 2, Dec. 2024, pp. 62-81, https://doi.org/10.37649/aengs.2024.152719.1096.