Vol. 4 No. 2 (2018): October

(1) University of Porto & INESC TEC, Portugal ,

(2) Polythecnic Institute of Porto and INESC TEC, Portugal

(1) School of Business and Management - Institut Teknologi Bandung, Indonesia ,

(2) School of Business and Management – Institut Teknologi Bandung, Indonesia ,

(3) School of Business and Management – Institut Teknologi Bandung, Indonesia

(1) Universitas Airlangga, Indonesia ,

(2) Universitas Airlangga, Indonesia ,

(3) Universitas Airlangga, Indonesia

(1) University of Sydney, Australia ,

(2) Swinburne Institute of Technology, Australia

(1) Universitas Atma Jaya Yogyakarta, Indonesia ,

(2) Universitas Atma Jaya Yogyakarta, Indonesia ,

(3) Universitas Atma Jaya Yogyakarta, Indonesia

(1) ,

(2)

(1) (SCOPUS ID = 56426242200), Universitas Airlangga, Indonesia ,

(2) , Indonesia ,

(3) , Indonesia ,

(4) , Australia

(1) Institut Bisnis dan Informatika Stikom Surabaya, Indonesia ,

(2) Institut Bisnis dan Informatika Stikom Surabaya, Indonesia

(1) Universitas Sriwijaya, Indonesia ,

(2) Universitas Sriwijaya, Indonesia

(1) Faculty of Computing and Information Technology Rabigh, King Abdulaziz University, Jeddah, Makkah, Saudi Arabia, Saudi Arabia ,

(2) Faculty of Computing and Information Technology Rabigh, King Abdulaziz University, Jeddah, Makkah, Saudi Arabia, Saudi Arabia

(1) Faculty of Computing and Information Technology Rabigh, King Abdulaziz University, Jeddah, Makkah, Saudi Arabia, Saudi Arabia ,

(2) Faculty of Computing and Information Technology Rabigh, King Abdulaziz University, Jeddah, Makkah, Saudi Arabia, Saudi Arabia

(1) Universitas Gadjah Mada ,

(2) Universitas Gadjah Mada ,

(3)