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Istighlāl ḥuqūl al-nafṭ al-mumtaddah ʻabra al-ḥudūd al-dawlīyah
ʻUmar Ḥasan ʻAdas · Wakālat al-Maṭbūʻāt
191 sayfa · 1979
Petroleum law and legislation / Petroleum in submerged lands / Law and legislation / Offshore oil well drilling
Tax exemption of foreign employees
ʻUmar Ḥasan ʻAdas · EVG Export Verlag
83 sayfa · 1980
Diplomatic privileges and immunities / Diplomats / Taxation