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Wednesday, September 22, 2010

SISTEM PERIODIK UNSUR

key kata kunci:
Tabel periodik unsur, System periodik unsur, SPU, kimia, tabel kimia, Tabel Unsur, Unsur
gambar SPU.

*buat cadangan kalo SPU-ku hilang.. tinggal ngeprint lagi..

1 komentar:

Anonymous said...

nice infos gan

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