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Copyright (c) 2019 At-tijaroh: Jurnal Ilmu Manajemen dan Bisnis Islam

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		Sri Wahyuni Hasibuan
								
STAIS Jam'iyah Mahmudiyah		
Indonesia	
		M Yasir Nasution
								
Universitas Islam Negeri Sumatera Utara		
Indonesia	
		Saparuddin Siregar
								
Universitas Islam Negeri Sumatera Utara		
Indonesia	
