List of Articles گاز کردن زیرزمینی زغال سنگ(UCG) Open Access Article Abstract Page Full-Text 1 - Qualification of coal seam for anderground Coal Gasification (UCG) method in Mazino Coal Basin, Tabas Mehdi Najafi Seyed Mohammad Esmaiel Jalali Reza Kakaie Aliasghar Lotfi Azad