%0 Journal Article %T Research on Logistics Cost Control of E-commerce Enterprise from the Perspective of Value Chain– A Case Study of Pinduoduo %A Guihang, Guo %A Yanqin, Wu %A Chuyao, Guo %A , %J International Journal of Economics and Finance %@ 1916-971X %D 2021-06-05 %I Canadian Center of Science and Education %~ DeepDyve