Trade policy review. Nigeria. Vol. for 1998 has title: Trade policy review. Federal Republic of Nigeria - Geneva : General Agreement on Tariffs and Trade, 1991- - v. : ill. ; 30 cm. - Septennial - 1991- Review for 1991 issued in 2 vols. ISSN: Subjects--Topical Terms: Foreign trade regulation -- Nigeria -- Periodicals. Subjects--Geographic Terms: Nigeria -- Commercial policy -- Periodicals. Nigeria -- Commerce -- Periodicals.