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Unobtrusive Measures

Unobtrusive Measures

Eugene J. Webb, Donald T. Campbell, Richard D. Schwartz, Lee Sechrest · SAGE Publications

243 sayfa · 1999-10-12

Social Science

ResearchUnobtrusive measuresEugene J. Webb, Donald Thomas Campbell, Richard D. Schwartz, Lee Sechrest

Unobtrusive measures

Eugene J. Webb, Donald Thomas Campbell, Richard D. Schwartz, Lee Sechrest · Yayınevi bilinmiyor

Sayfa sayısı yok · 1966

Research