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Retraction Note: Optimization model design of cross-border e-commerce transportation path under the background of prevention and control of COVID-19 pneumonia
| Autores principales: | , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Springer Berlin Heidelberg
2022
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9793384/ https://www.ncbi.nlm.nih.gov/pubmed/36590073 http://dx.doi.org/10.1007/s00500-022-07782-6 |