Kahn, A. J. (1969). Theory and practice of social planning: Companion volume to Studies in Social Policy and planning. Russell Sage Foundation.
Chicago-viite (17. p.)Kahn, Alfred J. Theory and Practice of Social Planning: Companion Volume to Studies in Social Policy and Planning. New York: Russell Sage Foundation, 1969.
MLA-viite (9. p.)Kahn, Alfred J. Theory and Practice of Social Planning: Companion Volume to Studies in Social Policy and Planning. Russell Sage Foundation, 1969.
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