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*035  $a(NO-LaBS)22444255(bibid)
*040  $aNO-OsNB$bnob$ekatreg
*24500$aCurriculum development for population education in elementary, middle and high schools
*260##$aSeoul$c1975
*300##$a215 s.$bfig.
*336  $atekst$0http://rdaregistry.info/termList/RDAContentType/1020$2rdaco
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*4900#$aResearch report / Korean educational development institute, Seoul$v18
*85201$a47BIBSYS_UBO$6999114955684702204$9P
*901  $a70
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