00826nam a2200241 c 4500001001300000005001500013007000300028008004100031020003000072049002800102052001700130056002400147082002300171245010800194246003600302260003100338300003800369650004700407650004700454650005900501700001400560950001000574KMO20080737820080320134809ta080311s2004    ulkad         000   kor    a8991424007g03320:c\50000 lEM4109109lEM4109110c201a326.457b8-3  a326.457a326.1652401a384.53a658.8422100a핸드폰으로 열어가는 유비쿼터스 시대 =xUbiquitous mobile revolution /d신명회 지음1 i관제:a통신사업 지침서  a서울 :b엔타임,c2004  a126 p. :b삽화, 도표 ;c19 cm 8a휴대 전화[携帶電話]0KSH2002025520 8a통신 시장[通信市場]0KSH2002031542 8a통신 서비스 산업[通信--産業]0KSH20060057521 a신명회0 b\5000