[1] Taylors Univ, Taylors Business Sch, Lakeside Campus,1 Jalan Taylors, Subang Jaya 47500, Malaysia
[2] North West Univ, Fac Econ & Management Sci, Vaal Triangle Campus,POB 1174, ZA-1900 Vanderbijlpark, South Africa
[3] Czestochowa Tech Univ, Management Fac, PL-42201 Czestochowa, Poland
[4] Univ Econ & Human Sci Warsaw, Okopowa 59, PL-01043 Warsaw, Poland
[5] Bina Nusantara Univ, Sch Business Management, Jalan Hang Lekir 1,6 Senayan, Jakarta 10270, Indonesia
[6] WSB Univ, Fac Appl Sci, Dept Management, PL-41300 Dabrowa Gornicza, Poland