HAGEDORN, H.J., K.J. BECK, St.F. NEUBERT, St.H. WERLYN : A Working Manual of Simple Program Evaluation Techniques for Community Mental Health Centers. DHEW Publication (ADM) 76-404. Washington, D.C.: U.S. Government Printing Office 1976
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HAGEDORN, H. J., BECK, K. J., NEUBERT, S., S. (1976). WERLYN : A Working Manual of Simple Program Evaluation Techniques for Community Mental Health Centers. Washington, D.C: U.S. Government Printing Office. DHEW Publication (ADM, pp. 76-404.
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