共 59 条
[2]
Almond D, 2005, Q J ECON, V120, P1031, DOI 10.1162/003355305774268228
[5]
[Anonymous], 2020, Levels and trends in child mortality United Nations Inter-Agency Group for child mortality estimation (UN IGME): report 2020: estimates developed by the UN inter-agency group for child mortality estimation
[6]
Barreca AI, 2010, J HUM RESOUR, V45, P865