Vol. 11 No. 1 (2018)

(1) School of Business and Management, Bandung Institute of Technology, Indonesia ,

(2) School of Business and Management, Bandung Institute of Technology, Indonesia

(1) Faculty of Business & Economics, Universitas Prasetiya Mulya, Indonesia, Indonesia

(1) Informatics Engineering, Langlangbuana University, Indonesia, Indonesia ,

(2) Informatics Engineering, Langlangbuana University, Indonesia, Indonesia

(1) Faculty of Economics, Kardan University, Afghanistan

(1) 1Corvinus University of Budapest - Hungary 2President University - Indonesia, Indonesia ,

(2) President University - Indonesia, Indonesia