Published: 2018-02-26

DOI: https://doi.org/10.29122/jurnalwave.v11i2.2714
DOI: https://doi.org/10.29122/jurnalwave.v11i2.2522
DOI: https://doi.org/10.29122/jurnalwave.v11i2.3061
DOI: https://doi.org/10.29122/jurnalwave.v11i2.3077
DOI: https://doi.org/10.29122/jurnalwave.v11i2.3070