DOI :
https://doi.org/10.24929/lensa.v4i1.71
Abstract views: 762 ,
PDF downloads: 555
DOI :
https://doi.org/10.24929/lensa.v4i1.236
Abstract views: 380 ,
PDF downloads: 313
DOI :
https://doi.org/10.24929/lensa.v4i1.235
Abstract views: 717 ,
PDF downloads: 1479