Pernah dengar tentang dichlorodiphenyltrichloroethane?
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Pernah dengar tentang *dichlorodiphenyltrichloroethane*? Namanya memang
panjang dan agak susah disebut! Bahan kimia ini lebih dikenali sebagai DDT,
sej...
5 Ways to Motivate Employees As much as people don't want to admit it, there are many unmotivated workers in the …