Journal Name : Jurnal Ilmiah Flash ISSN No. : 2614-1787 Publisher : Politeknik Negeri Kupang Advisory board Advisory board Advisory board Dr. Rajendra Shendge Ecaterina Patrascu Flavio de Sao Pedro Filho A. R. Burla College, India Spiru Haret University, Bucharest, Romania Federal University of Rondonia, Brazil Directory of Research Journals Indexing Wesite : http://www.olddrji.lbp.world Mail us at : info@drji.org / ashok.drji@gmail.com