WASET
Rabelo, S. , Paulino, T. , Duarte, W. , Sawalha, S. , Machado, L. (2018). 'Experimental Analysis of the Influence of Water Mass Flow Rate on the Performance of a CO2 Direct-Expansion Solar Assisted Heat Pump '. World Academy of Science, Engineering and Technology, Open Science Index 139, International Journal of Chemical and Molecular Engineering, 12(7), 327 - 331.