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		Putra, I Made Giatmika, 		Nindhia, Tjokorda Gde Tirta, DAN 		Adnyana, I Wayan Bandem.
" Studi Laju Pembentukan Biogas Dan Komposisi Biogas Pada Digester Bertingkat (Studi Kasus Perbandingan Digester Tingkat 1 Dan 2)" <em>Teknik Desain Mekanika</em> [Online], Volume 10 Nomor 4 (1 October 2021)