Text ( visual ) : unmediated Basic camp management : an introduction to camp administration / by Armand and Beverly Ball. -- 2nd ed. -- Martinsville, Ind. : American Camping Association , c1987. -- 139 p. : ill. ; 23 cm. -- Bibliography: p. 124-138 ; Includes index. -- ISBN 0876031009 ; (BA27118650) ; https://ci.nii.ac.jp/ncid/BA27118650 Author Heading(s): Ball, Armand B. ; Ball, Beverly H.. -- Classification(s): LCC : GV198.M35 ; DC19 : 796.54/068. -- Subject Heading(s): LCSH : Camps -- Management