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		Indra wiguna, I Gede, 		Tirta Nindhia, Tjokorda Gde, AND 		Surata, I Wayan.
" Pemanfaatan Limbah Kotoran Gajah dan Grease dari Pengolahan Lumpur Tinja (PLT) Suwung Menjadi Biogas" <em>Teknik Desain Mekanika</em> [Online], Volume 9 Number 1 (1 January 2020)