~ tracking down this book ~
only cover on file
Social Experimentation: a Method for Planning and Evaluating Social Intervention.
by Henry W. Riecken and Robert F. Boruch
1974339 pages~6h read
only cover on file
Social Experimentation: a Method for Planning and Evaluating Social Intervention.
by Henry W. Riecken and Robert F. Boruch
1974339 pages~6h read
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