TOTO,
we're not in Kansas anymore...

A server error occured and unexplained things are happening around us.

celikelvan1905

periyodik sistem periyodik sistemin neden gereklidir? doğada bulunan elementlerin daha kolay incelenebilmesi, arandığında daha kolay bulunabilmesi içi

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Periyodik Sistem | Presentation by celikelvan1905

TOTO,we're not in Kansas anymore...

TOTO,
we're not in Kansas anymore...