Determinants of Competitive Advantage of A and Excelled Accreditation Study Programs at Private Universities: A Concept Analysis with Mediation of Performance Journal title: Journal of Economics, Finance and Management Studies Authors: Yuli Ardianto, Tri Widyastuti, Zulkifli, Bambang Purwoko, Iha Haryani Hatta, Mombang Sihite Subject(s): Economics, Banks and Banking, Marketing, Accounting, Management, Business, Finance