Naeem LA, Al-Hattab TA, Abdulwahab MI. Study of the Performance of Paraffin Wax as a Phase Change Material in Packed Bed Thermal Energy Storage System. ijcpe [Internet]. 31Mar.2018 [cited 27Nov.2019];17(4):25-3. Available from: http://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/230