IInterpretive ViewsInterpretive Viewsde Gary E. MachlisMateriasNational parks and reservesInterpretive programsEvaluationUnited States. National Park ServiceEdiciones (1)Interpretive Views (1986)Natl Parks & Conservation Assn · inglés · ISBN 9780940091153Más obras de Gary E. MachlisWarfare Ecology NATO Science for Peace and Security Series C EnvironmentalWarfare Ecology NATO Science for Peace and Security Series C Environmental Security PaperbackOn interpretation
