TY - JOUR AU - Xueping Liu AU - Sheng Zhu AU - Jinting Wang TI - Optimal ordering strategy and budget allocation for the Covid-19 vaccination planning JO - Mathematical modelling of natural phenomena PY - 2024 VL - 19 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1051/mmnp/2024002/ DO - 10.1051/mmnp/2024002 LA - en ID - 10_1051_mmnp_2024002 ER -