Audience attention as a basis for evaluating interpretive presentations
By: Ronald E. Dick, Erik Myklestad, J. Alan Wagar.
Contributors: Myklestad, Erik.; Wagar, J. Alan, 1930-
Series: Research paper PNW -- 198.; Research paper PNW -- 198.
Publisher: Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service
Published: 1975
Place of publication: Portland, Or
Language: eng
Subjects: Recreation areas -- Interpretive programs
Notes: Cover title.