column
        
          
      
    
            2019, 3(2): 101-107.
            
                DOI: 10.46701/APJBG.2019022019125
            
        
        
    
            2019, 3(2): 109-114.
            
                DOI: 10.46701/APJBG.2019022019115
            
        
        
    
            2019, 3(2): 133-137.
            
                DOI: 10.46701/APJBG.2019022019117
            
        
        
    
            2019, 3(2): 145-151.
            
                DOI: 10.46701/APJBG.2019022019128