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- [41] Ethical issues in recreation research as perceived by recreation, park resources, and leisure services faculty PORCEEDINGS OF THE 2005 NORTHEASTERN RECREATION RESEARCH SYMPOSIUM, 2005, 341 : 120 - 129
- [44] KIL-CONA-PARK PEDESTRIAN BRIDGES JOURNAL PRESTRESSED CONCRETE INSTITUTE, 1989, 34 (01): : 136 - 143
- [47] RECREATION PARK DRAWS VISITORS TO ROCK CREEK RESERVOIRS SOIL CONSERVATION, 1968, 34 (03): : 57 - &