Text ( visual ) : unmediated Forced labour and migration : patterns of movement within Africa / edited by Abebe Zegeye and Shubi Ishemo. -- London ; New York : H. Zell Publishers , 1989. -- 405 p. : ill., maps ; 23 cm. -- (African discourse ; no. 1). -- "Published for the Oxford Centre for African Studies.". -- ISBN 0905450361 ; (BA10276850) ; https://ci.nii.ac.jp/ncid/BA10276850 Other Title(s): Forced labor and migration. -- Author Heading(s): Zegeye, Abebe ; Ishemo, Shubi ; Oxford Centre for African Studies. -- Classification(s): LCC : HD4875.A79 ; DC19 : 331.11/73/096. -- Subject Heading(s): PRECIS : Africa. International migration ; LCSH : Forced labor -- Africa ; LCSH : Forced migration -- Africa