| ID | 317505 |
| Call Number | Σ:m/K6 |
| Title Proper | Unobtrusive measures : Nonreactive research in the social sciences |
| Language | ENG |
| Author | Campbell, Donald T. ; Schwartz, Richard D. ; Sechrest, Lee ; Webb, Eugene J. |
| Publication | Chicago , Rand McNally and Company, 1966. |
| Description | 225 pp Pb+ 22 cm |
| Series | Rand McNally Sociology Series |
| Price. Qualification | GIPE Gift |
| Classification Number | Σ:m |
| Key Words | Social sciences : Research ; Nonreactive research |