Title: Majmūʻah-i muqarrarāt, dastūr al-ʻamalʹhā va bakhshnāmahʹhā-yi marbūṭ bih ṣādirāt-i naft, gāz va pitrūshīmī
Subjects: Petroleum law and legislation, Petroleum industry and trade, Natural gas, Law and legislation, Petroleum chemicals industry
Places: Iran