House, William J. Demography, emploment and poverty at the Household level in urban juba, southern sudan / William J. House - Geneva : International Labour Office, United Nations , 1989 - 42 p. ; 29 cm. - Working paper No. 168 . Subjects--Topical Terms: Demographyemploment poverty Gov. Doc. Class. No.: UN ILO WEP 2-21 WP-168