Showing results 113 to 114 of 114
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| Title | Author(s) | Issue Date | Views | |
|---|---|---|---|---|
Why the content should be keep invariant when comparing teaching in the same subject in different classroom, in different countries Proceeding/Conference:Annual Meeting of American Educational Research Association | 2002 | 80 | ||
δ(13)C-δ(18)O covariance: an effective indicator of hydrological closure for lakes? Journal:Acta Geologica Sinica | 2008 | 139 |