[1] Palpara Vidyamandir, Chakdaha 741222, W Bengal, India
[2] Univ Burdwan, Dept Math, Burdwan Raj Coll, Burdwan 713104, W Bengal, India
[3] XLRI Xavier Sch Management, Jamshedpur 831001, Jharkhand, India
[4] Bengal Inst Technol, Dept Math, 1 Govt Colony, Kolkata 700150, India
[5] Univ Chile, Sch Business & Econ, Dept Management Control & Informat Syst, Ave Diagonal Paraguay 257, Santiago 8330015, Chile
[6] Univ Technol Sydney, Sch Informat Syst & Modelling, Fac Engn & Informat Technol, 81 Broadway, Ultimo, NSW 2007, Australia
[7] Univ Lincoln, Lincoln Int Business Sch, Lincoln LN6 7TS, Lincs, England
[8] Montpellier Business Sch, 2300 Ave Moulins, F-34185 Montpellier 4, France