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Using a biogas digesterAnonymousAppropriate Technology; Sep 2007; 34, 3; ProQuest Agriculture Journalspg. 58

8/18/2019 Biogas Digaster

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8/18/2019 Biogas Digaster

3/5Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

8/18/2019 Biogas Digaster

4/5Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

8/18/2019 Biogas Digaster

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