TY - JOUR A1 - Abdelrahman, A.I. A1 - Morgan, S.P. T1 - Socioeconomic and Institutional Correlates of Family Formation: Khartoum, Sudan, 1945-1975 Y1 - 1987 DO - 10.2307/352309 JF - Journal of Marriage and the Family VL - 49 IS - 2 SP - 401 EP - -412 ER -