在COVID-19大流行期间衡量金字塔底层捐赠的影响

Measuring the impact of donations at the Bottom of the Pyramid (BoP) amid the COVID-19 pandemic

Annals of Operations Research · 2022
被引 10
ABS 3
发展经济学公共卫生慈善捐赠贫困研究疫情经济学