List of Articles Mathematic modeling Open Access Article Abstract Page Full-Text 1 - Evaluation of CO2/CH4 Gas Separation in PVA and PVC Mixed Matrix Membrane Permeation Models Elaheh Gandomkar Ghalhari Samaneh Koudzari Farahani Abdolreza Moghadassi Ezzatollah Joudaki Seyyed Mohsen Hosseini