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1. Reference
Compost, fertilizer, and biogas production from human and farm wastes in the people's republic of China by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Canada: International Development Research Centre, 1978
Availability: Items available for reference: National Science Library: Not for loan (2)Call number: 631.8 L8, ...

2. Reference
Guide to soil, humus & manuring by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: London: English Universities Press Limited, 1952
Availability: Items available for reference: National Science Library: Not for loan (1)Call number: 631.8 J2.

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