 DOI :
            
            https://doi.org/10.24114/jtikp.v3i1.5001
 DOI :
            
            https://doi.org/10.24114/jtikp.v3i1.5001
             DOI :
            
            https://doi.org/10.24114/jtikp.v3i1.5002
 DOI :
            
            https://doi.org/10.24114/jtikp.v3i1.5002
             DOI :
            
            https://doi.org/10.24114/jtikp.v3i1.5003
 DOI :
            
            https://doi.org/10.24114/jtikp.v3i1.5003
             DOI :
            
            https://doi.org/10.24114/jtikp.v3i1.5006
 DOI :
            
            https://doi.org/10.24114/jtikp.v3i1.5006