Naeem, L.A., Al-Hattab, T.A. and Abdulwahab, M.I. (2016) “Study of the Performance of Paraffin Wax as a Phase Change Material in Packed Bed Thermal Energy Storage System”, Iraqi Journal of Chemical and Petroleum Engineering, 17(4), pp. 25–33. doi:10.31699/IJCPE.2016.4.3.