DAFTAR GAMBAR
Gambar
1.1 : Ketergantungan Energi.......................................................... 4
Gambar
2.1 : Abu Sekam.............................................................................
22
Gambar
2.2 : Limbah Detergent..................................................................
26
DAFTAR LAMPIRAN
Lampiran
1 : Lembar Pengamatan...............................................................
Lampiran 2 : Checklist Penelitian
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