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Biobriket dari Campuran Limbah Kulit Biji Mete, Sekam dan Jerami Serta Bungkil Jarak, Sekam dan Jerami
(Fakultas Teknik, Universitas Diponegoro, Semarang, 2013-04)
The petroleum is the fuel derived from fossil which can not be renewable and the deposit in the earth is not more now. In the middle 2008, the price of petroleum achieved US$ 147/Barrel because the supply of petroleum to ...