YouTube. Thermal Processing of Solid Waste to Biochar (B. von Herzen, The Climate Foundation).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रYouTube. Thermal Processing of Solid Waste to Biochar (B. Von Herzen, The Climate Foundation).
एमएलए (9वां संस्करण) प्रशस्ति पत्रYouTube. Thermal Processing of Solid Waste to Biochar (B. Von Herzen, The Climate Foundation).
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