Abstract  1886 |
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                                970
                                                                                                                                        | DOI 
                            
                                https://doi.org/10.3846/ijspm.2019.10536
                            
                                                                            
				
                                
                                Page 390-404
                            
                        
                                                    
                                2019-09-30
                            
                                            
                                         
                                     
  

