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1
المؤلفون: null Indah Annisa, null Prihatin Lumbanraja, null Yeni Absah
المصدر: International Journal of Economic, Business, Accounting, Agriculture Management and Sharia Administration (IJEBAS). 3:434-444
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2
المصدر: International Journal of Economic, Business, Accounting, Agriculture Management and Sharia Administration (IJEBAS). 3:385-398
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3
المصدر: International Journal Of Humanities Education and Social Sciences (IJHESS). 2