TY - JOUR A1 - Batyra, E. A1 - Kohler, H.P. A1 - Furstenberg, F.F. T1 - Changing gender gaps in the timing of first union formation and sexual initiation in sub-Saharan Africa Y1 - 2021 DO - 10.1111/padr.12405 VL - 47 IS - 2 ER -