国产乱妇一级a视频,欧美亚洲国产激情一区二区,国产精品片免费看,国产精品xxxx国产喷水

<ol id="yumkc"><nobr id="yumkc"><kbd id="yumkc"></kbd></nobr></ol>
<output id="yumkc"><center id="yumkc"><ol id="yumkc"></ol></center></output>
    

    2. 

          





          
 
  
          
     
	 
          
        
          
            
            
            
        
          
    
          
     
	 
	 
	 ENGLISH
     

          
        
     
          
     
  
          
  
    
    
    
          
        
          
            
          
            
          
          
          
          
    
          
         

          


          

    

    
    





          

          
  
          您所在的位置：                       首頁»
                 科學(xué)研究»
                 研究成果»
        學(xué)術(shù)論著
     
           
   
          
          
            
          
                    
          E-tailer's Procurement Strategies for Drop-Shipping: Simultaneous vs. Sequential Approach to Two Manufacturers
          
                
          
                
          
                          
                         
		          
                    2020-09-17
                
          
            
          
              
                
          
                    
                    
          

          作者：李果，張雪峰，Mengqi Liu
          


          發(fā)表刊物：TRANSPORTATION RESEARCH PART E-LOGISTICS AND TRANSPORTATION REVIEW
          


          
                    
             
                
          
                
                
				
				        
				
				            
          

        
          
    

          


TOP