Table 5 Percentage (%) of research methodologies for FCO research

  1) Analytical conceptual research

  2) Analytical mathematical:

    a) Logical and descriptive modeling

    b) Linear programming

    c) Mixed integer programming

    d) Dynamic programming

    e) Gradient based algorithms

    f) Nature based algorithm

    h) Simulation modeling

  3) Analytical statistical research

26

22

10

2

4

3

2

2

4

  1) Empirical statistical research

  2) Empirical experimental research

  3) Empirical case study

1

10

14

Total:

100