Abstract image of a woman sitting on books and studying on a laptop
herudermawan104

Heru Dermawan

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9

SlideShares166 Followers142 Followings

Personal Information

Organization / Workplace

Koto Padang, Sumatera Barat, Indonesia

Occupation

Mahasiswa

About

sebelum kalian mengenal aq, lebih baik add dulu deh

Presentations(8) 

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pencemaran udara akibat kelapa sawit
 
pencemaran udara
 
polusi udara akibat emisi kendaraan bermotor
 

Documents(1) 

Makalah Karbohidrat
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