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The photo-choice method for recreation research

Informally Refereed

Abstract

Citation

Shafer, Elwood L., Jr. 1964. The photo-choice method for recreation research. Res. Pap. NE-29. Upper Darby, PA: U. S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 10 p.
https://www.fs.usda.gov/research/treesearch/3846