https://skyobserver.youngwoocho.com/estf_association ko Sun, 03 May 2026 10:18:30 +0000 Rhymix 조영우 | 어스블로그 | 푸른행성의 과학 https://skyobserver.youngwoocho.com/./files/attach/images/rss/Newspaper-Feed-128x128.png https://skyobserver.youngwoocho.com/ https://skyobserver.youngwoocho.com/estf_association/98774 부산지구과학교사연구회 교사모임 경남 부산지구과학교사연구회교사연구회 조영우 https://skyobserver.youngwoocho.com/estf_association/98774 https://skyobserver.youngwoocho.com/estf_association/98774#comment Fri, 22 Oct 2010 02:39:25 +0000 https://skyobserver.youngwoocho.com/estf_association/70248 경기북부지역 지구과학선생님들의 지질답사 및 야외학습장 개발을 위한 지역단위 모임입니다. 교사모임 경기 교사모임교사협회자연생태 조영우 https://skyobserver.youngwoocho.com/estf_association/70248 https://skyobserver.youngwoocho.com/estf_association/70248#comment Tue, 17 Nov 2009 12:20:15 +0000 https://skyobserver.youngwoocho.com/estf_association/70238 경기도의 지구과학과 생물 분야의 야외체험학습을 위한 도단위연구회 입니다. 교사모임 경기 교사모임교사협회자연생태 조영우 https://skyobserver.youngwoocho.com/estf_association/70238 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