TY - JOUR A1 - Vincent, K. A1 - Cull, T. T1 - Cell phones, electronic delivery systems and social cash transfers: Recent evidence and experiences from Africa Y1 - 2011 DO - 10.1111/j.1468-246X.2010.01383.x JF - International Social Security Review VL - 64 IS - 1 SP - 37 EP - -51 ER -