“Using Ultrasonic Technique to Determine Some Petrophysical Properties of Core Samples of Zubair and Mishrif Formations at Lu-5 and Tu-5 Oil Wells, Southern Iraq”. 2023. Iraqi Journal of Science 55 (Oil_Conf): 96-111. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/11979.