Tiam Kapen, Pascalin, Tendong Tadadjeu Neville, and Dongmeza Koudjou Jauspin. “Mobile Three Gas Extractor Using Pressure Swing Adsorption Method”. British Journal of Healthcare and Medical Research 5, no. 1 (February 28, 2018): 11. Accessed December 8, 2025. https://www.journals.scholarpublishing.org/index.php/BJHR/article/view/4238.