TY - JOUR A1 - Ardington, C. A1 - Leibbrandt, M. T1 - Orphanhood and schooling in South Africa : trends in the vulnerability of orphans between 1993 and 2005 Y1 - 2010 DO - 10.1086/650414 JF - Economic Development and Cultural Change VL - 58 IS - 3 SP - 507 EP - -536 ER -