Published: 21-07-2014

|Abstract views: 773 | Download :669
https://doi.org/10.24912/jk.v6i1.20
|Abstract views: 1876 | Download :1084
https://doi.org/10.24912/jk.v6i1.21
|Abstract views: 2890 | Download :1263
https://doi.org/10.24912/jk.v6i1.22
|Abstract views: 6219 | Download :1675
https://doi.org/10.24912/jk.v6i1.23
|Abstract views: 1091 | Download :530
https://doi.org/10.24912/jk.v6i1.24
|Abstract views: 709 | Download :343
https://doi.org/10.24912/jk.v6i1.25
|Abstract views: 2008 | Download :824
https://doi.org/10.24912/jk.v6i1.26
|Abstract views: 792 | Download :405
https://doi.org/10.24912/jk.v6i1.27