Azeb Demisi Habte, Althaf Shafeer, Lee Jang Hyun, Tarek Ganat,. 2020. “Interpretation of Two-Phase Oil-Water Injectivity and Falloff Testing in a Vertical Injection Well Using Laplace-Transform Finite-Difference Method”. International Journal of Advanced Science and Technology 29 (1), 69 - 88. http://sersc.org/journals/index.php/IJAST/article/view/2982.