ArchiveVolume 1, Issue 1, April 2013
Preecha P. Yupapin
Pages: 1-5     Published Online: Apr. 2, 2013
DOI: 10.11648/j.sjedu.20130101.11        Views 2803      Downloads 89
Beata Stachowiak
Pages: 6-11     Published Online: Apr. 2, 2013
DOI: 10.11648/j.sjedu.20130101.12        Views 3063      Downloads 74
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