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Manual do Biodigestor Sertanejo: Brazlian Projeto Dom Helder biogas manual in English
Manual do Biodigestor Sertanejo: Brazlian Projeto Dom Helder biogas manual in English Solar C³ities is an international platform with the intention of providing an open-source virtual Hackspace for "Biogas Innoventors and Practitioners" and training for all those researching, developing and deploying sustainable solutions for flourishing societies.
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