The Effect of Supply and Outdoor Air Temperature on The Enthalpy and Temperature Exchange Efficiency of a Paper Heat ExchangerTeoh Zhi Heng, Abudulkareem Sh. Mahdi Al-Obaidi, Chin Wai Meng and Kenny James Ling Neng HuiMATEC Web Conf., 335 (2021) 03015DOI: https://doi.org/10.1051/matecconf/202133503015