Four-tier response system and spatial propagation of COVID-19 in China by a network model

Ge, J; He, DH; Lin, ZG; Zhu, HP; Zhuang, ZA

Lin, ZG (corresponding author), Yangzhou Univ, Sch Math Sci, Yangzhou 225002, Jiangsu, Peoples R China.

MATHEMATICAL BIOSCIENCES, 2020; 330 ():