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See Sub Class HV11 Social Work Research Methods, HV31 Social Case Work
The dual concepts of resources and interaction with the social environment are used to explicate objectives of social work and activities of practitioners. --Anne Minahan, MSW, Allen Pincus, Ph.D., Conceptual framework for social work practice, Social Work, Volume 22, Issue 5, September 1977, Pages 347–352, https://doi.org/10.1093/sw/22.5.347