Evaluating the internationalization success of companies through a hybrid grouping harmony search-extreme learning machine approach

1. Landa-Torres, I.
2. Ortiz-García, E.G.
3. Salcedo-Sanz, S.
4. Segovia-Vargas, M.J.
5. Gil-López, S.
6. Miranda, M.
7. Leiva-Murillo, J.M.
8. Del Ser, J.