RT Journal Article SR Electronic T1 A Precolonial, Political History of the Sefwi Wiawso Oman JF Ghana Studies JO Gha Stu FD University of Wisconsin Press SP 139 OP 168 DO 10.3368/gs.4.1.139 VO 4 IS 1 A1 Boni, Stefano YR 2001 UL https://gs.uwpress.org/gs.uwpress.org/content/4/1/139.abstract AB