RT Journal Article SR Electronic T1 Robbing Others to Pay Mary Slessor: Unearthing the Authentic Heroes and Heroines of the Abolition of Twin-Killing in Calabar JF African Economic History JO Afr Eco His FD University of Wisconsin Press SP 139 OP 158 DO 10.3368/aeh.41.1.139 VO 41 IS 1 A1 Imbua, David Lishilinimle YR 2012 UL https://aeh.uwpress.org/aeh.uwpress.org/content/41/1/139.abstract AB