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chrystos d siderelis
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Nationwide inventory of recreation management data and information systems
Chrystos D. Siderelis · School of Forest Resources, North Carolina State University
376 sayfa · 1980
Recreation areas / Administration / Bibliography / National parks and reserves / Recreation
Computer software directory for recreation and park agencies
Chrystos D. Siderelis · National Recreation and Park Association
Sayfa sayısı yok · 1984
Parks / Management / Computer programs