Even the French were inviting ideas for co-operative effort.

An important facet of this co-operative effort is the validation of knowledge.

In recent years the Commonwealth countries have been making a great co-operative effort to raise standards of living.

The third area of co-operative effort lies in interoperability testing.

Fixing the Agrarian problem was a question of education, methods, and creating new social relationships through co-operative effort and government assistance.

The co-operative efforts of the line's construction made it the first publicly constructed and owned telegraph line in the United States.

In many cases, missions are co-operative efforts working alongside other agencies both nationally and internationally.

Whilst they are heavy, it would have been quite possible, by co-operative effort, to move them into the right position to mark 'the line'.

I'm inviting all heads of state around the globe to join us in a co-operative effort to find a solution.

The formation of a missionary society set the stage for further "co-operative" efforts.