Nguyen, Van Hieu, Ngoc Quoc Phan, and Hoang Van Anh Ngo. “Evaluation of Probe Permeability Measurement on Core Samples With the Multi-Purpose Gas Permeameter Upgraded by VPI”. Petrovietnam Journal 70 (July 29, 2022): 21 - 27. Accessed April 29, 2025. http://www.pvj.vn/index.php/TCDK/article/view/863.