• East Asian mathematical journal
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• 제33권4호
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• pp.453-465
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• 2017

This study reports the history of abacus calculation in the East and West and the changes in the curriculum of abacus calculation in Korea. The findings from this study are that abacus calculation education program already disappeared from public education and that it depends on private education institutes or after school classrooms. According to a case study, of the 110 elementary schools located in Changwon City and Gyeongsangnam-do Province, 74 schools were educating abacus as after-school programs.

• 농약정보
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• 제14권6호통권117호
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• pp.71-75
• /
• 1993

• 한국생약보
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• 198호
• /
• pp.5-5
• /
• 1995

주산단지 순례 (6) '벼농사 보다야 지어 볼 만'

• 한국생약보
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• 164호
• /
• pp.3-3
• /
• 1992

약용작물 주산단지 지정고시

• 한국생약보
• /
• 183호
• /
• pp.2-2
• /
• 1994

• 환경기술인
• /
• 통권22호
• /
• pp.22-24
• /
• 1988

• 산림경영
• /
• 통권137호
• /
• pp.22-30
• /
• 1999

• 물만먹고자라요
• /
• 제21호
• /
• pp.6-15
• /
• 2008

• 한국생약보
• /
• 191호
• /
• pp.4-4
• /
• 1995

청양 구기자시험장을 찾아서$\cdots$

• 오리마을
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• 통권187호
• /
• pp.72-73
• /
• 2019