What type of 'helpful' businesses operate on the basis of the Rochdale Principles that were formulated in 1844?
Co-operative enterprises Co-Op Société Coopérative Co-ops Volunteer cooperative Co-operatives Co-operative organising Cooperative organising Co-operative stores Cooperative Stock Market Co-op Société coopérative Volunteer co-op Cooperatives Co-operative society Coop Brand Cooperative Multi-stakeholder cooperative Multi-stakeholder co-operative Multi-stakeholder cooperatives Cooperative society Societe Cooperative Co-op. Co-operative societies Cooperative Societies Federal co-operatives Co-operator Coöperative Co-operative Societe cooperative Federal Co-operatives Co-operative store