JURNAL Excellent:International Journal of Sciences and Technology Research by Universitas Dharmawangsa Medan is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
JURNAL Excellent:International Journal of Sciences and Technology Research by Universitas Dharmawangsa Medan is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.