Hasan, Dr. Mushtaq Ismael. “Effect of Variable Fluid Properties on the Hydrodynamic and Thermal Characteristics of Parallel Flow Microchannel Heat Exchanger”. University of Thi-Qar Journal, vol. 10, no. 4, Apr. 2019, p. 41_55, https://jutq.utq.edu.iq/index.php/main/article/view/48.