Wa and the wala :
Wilks, Ivor.
Wa and the wala : Islam and polity in Northwestern Ghana /Ivor Wilks - Cambridge ; New York : Cambridge University Press, 1989. - xvi, 256p. : ill. ; 24cm. - African studies series ; 63 .
Wa and the wala : Islam and polity in Northwestern Ghana /Ivor Wilks - Cambridge ; New York : Cambridge University Press, 1989. - xvi, 256p. : ill. ; 24cm. - African studies series ; 63 .