demographic aspects Zachariah, K. C. creator Condé, Julien text New York Published for the World Bank [by] Oxford University Press c1981 monographic xiv, 130 p., 22 leaves of plates : maps ; K. C. Zachariah and Julien Condé. "A joint World Bank--OECD study." Includes index. Bibliography: p. 124-126. Migration, Internal Africa, West Rural-urban migration Africa, West 304.820966 ZAC.M1 0195201876 (pbk.) : 9780195201864 20251201115828.0