00989nam a2200253 c 4500001001300000005001500013007000300028008004100031049003200072052002000104056001700124074002500141082001800166245012500184260004100309300004100350650006600391650004900457700002700506880010700533880004900640880002900689950001700718KMO20193144420190801135925ta190125s2018    tjkad         000   korBK0 lEM7219038lEM7219039c2fGP01a513.93025b19-1  a513.9302526  k11-1240000-001105-0101a616.86021223006880-01a『스마트폰과의존실태조사』 2018년 정기통계품질진단 결과보고서 /d연구원: 윤석강  6880-02a[대전] :b통계청,c2018  avi, 94 p. :b삽화, 도표 ;c30 cm 8a통계적 품질 관리[統計的品質管理]0KSH1998001985 8a스마트폰 중독[--中毒]0KSH20180001351 6880-03a윤석강4aut006245-01/(BaSeumateupon gwa uijon siltae josa 2018 nyeon jeonggi tonggye pumjil jindan gyeolgwa bogoseo  6260-02/(Ba[Daejeon] :bTonggyecheong,c20181 6700-03/(BaYun, Seokgang1 a가격불명