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Comments on "Secret Observation" Get access Julius A. Roth Julius A. Roth Research Center, New York School of Social Work Search for other works by this author on: Oxford Academic PubMed Google Scholar Social Problems, Volume 9, Issue 3, Winter 1962, Pages 283–284, https://doi.org/10.2307/799240 Published: 07 August 2014
Julius A. Roth (Mon,) studied this question.