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		Rizal Arifin
						Universitas Muhammadiyah Ponorogo		
Indonesia	
Faculty of Engineering
		Gus Nanang Syaifuddiin
						Politeknik Negeri Madiun		
Indonesia	
Department of Information Technology
		Desriyanti Desriyanti
						Universitas Muhammadiyah Ponorogo		
Indonesia	
Faculty of Engineering
		Zulkham Umar Rosyidin
						Universitas Muhammadiyah Ponorogo		
Indonesia	
Faculty of Engineering
		Ghulam Asrofi Buntoro
						Universitas Muhammadiyah Ponorogo		
Indonesia	
Faculty of Engineering
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