%0 Journal Article %T Multi-stage heat-pipe heat exchanger for improving energy efficiency of the HVAC system in a hospital operating room %A Sukarno, Ragil %A Putra, Nandy %A Hakim, Imansyah Ibnu %A Rachman, Fadhil Fuad %A Mahlia, Teuku Meurah Indra %J International Journal of Low-Carbon Technologies %V Advance Article %P 1-1 %@ 1748-1317 %D 2020-07-22 %I Oxford University Press %~ DeepDyve