Perhaps you should try some spelling variations:
"Encyclopaedia of traditional management" » "Encyclopaedia of organizational management", "Encyclopaedia of educational management", "Encyclopaedia of institutional management"
"encyclopaedia of operational management" » "encyclopaedia of operations management", "encyclopaedia of educational management", "encyclopedia of operational management"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (("Encyclopaedia of traditional management") OR ("encyclopaedia of operational management"))~.
• Removing quotes may allow a broader search: (( Encyclopaedia of traditional management ) or ( encyclopaedia of operational management ))~.
• Adding a wildcard symbol may retrieve word variants: (("Encyclopaedia of traditional management") or ("encyclopaedia of operational management"))*.