Kamwani, Flavius, Bernard Thole, Wilson Greya, Katie Anderson, Grover H. Mamani Casilla, Jan Spit, and Johann Van der Ham. 2016. “Investigating the Applicability in Emergency Situations of Terra Preta Sanitation System Using Lactic Acid Bacteria”. American Scientific Research Journal for Engineering, Technology, and Sciences 20 (1):200-212. https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/1692.