Heisler Helmuth Urbanisation and the government of migration inter-relation of urban and rural life in Zambia Heisler Helmuth; Prothero R Mansell foreword by - London C Hurst and Company 1974 - x,161p. cm. Standard No.: 256997 Source: Textual Subjects--Topical Terms: ECONOMICS Dewey Class. No.: X9H1:9J2.6137.N7, L4