Showing results 1 to 2 of 2
Issue Date | Title | Author(s) | Type |
---|---|---|---|
2011 | A variation theory approach to develop learning progressions for engineering concepts | 박은정 | Conference Paper |
2013 | ANALYSIS OF STUDENT UNDERSTANDING OF SCIENCE CONCEPTS INCLUDING MATHEMATICAL REPRESENTATIONS: PH VALUES AND THE RELATIVE DIFFERENCES OF pH VALUES | 최경희; 박은정 | Article |