Muhammad Rizki Darmawan,
Faculty of Economics and Business, Universitas Nasional, Jakarta,
Indonesia
Beureukat Beureukat,
Faculty of Economics and Business, Universitas Nasional, Jakarta,
Indonesia
Melati Melati,
Faculty of Economics and Business, Universitas Nasional, Jakarta,
Indonesia
Kumba Digdowiseiso,
Faculty of Economics and Business, Universitas Nasional, Jakarta,
Indonesia