W. H. Azmi, S. N. M. Zainon, K. A. Hamid, and R. Mamat, “A review on thermo-physical properties and heat transfer applications of single and hybrid metal oxide nanofluids”, J. Mech. Eng. Sci., vol. 13, no. 2, pp. 5182–5211, Jun. 2019, doi: 10.15282/jmes.13.2.2019.28.0425.