Peoples and economics in the Sudan 1884 to 1956 : the first part of a history of human tragedies on the Nile (1884 to 1984)

von Balamoan, G. Ayoub, 1931-
Cambridge : Harvard Univ. Center for Population Studies, 1981.
Umfang/Format: XXVIII, 517 p. : ill., map ; 23 cm.