Notions de chimie organique

[bouzianezaki]

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http://dep-chimie.univ-pau.fr/live/digitalAssets/20/20646_Fullerene-C60.jpg

Lien

http://www.ziddu.com/download/8088760/Notionsdechimieorganique.pdf.html

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[sadazi]

بارك الله فيك أخي
3

[3ammar]

الله يجازيك و يكافيك :19:

[icosime]

merci beaucoup