AL-Zuhairi, Firas, Rana Azeez, و Muna Jassim. 2020. Artificial Neural Network (ANN) for Prediction of Viscosity Reduction of Heavy Crude Oil Using Different Organic Solvents. مجلة الهندسة 26 (6), 35-49. https://doi.org/10.31026/j.eng.2020.06.03.