Pollution control for agriculture par Loehr, Raymond C.

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Save it! Keep it! Use it again! a book about conservation and recycling par Lefkowitz, R.J

Environmental management [ejournal].

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Utilizing by-products and wastes par Muro, Vicente

Utilizing by-products and wastes par Muro, Vicente

Utilizing by-products and wastes par Muro, Vicente

Methane generation from human, animal, and agricultural wastes report of an ad hoc panel of the Advisory Committee on Technology Innovation, Board on Science and Technology for Int...

Methane generation from human, animal, and agricultural wastes report of an ad hoc panel of the Advisory Committee on Technology Innovation, Board on Science and Technology for Int...

Economics and the environment. par Kneese, Allen V.

A study of brewery wastes [microform]. Submitted to the Graduate School, University of the Philippins ... for the degree of Master of Public Health Engineering. par Lee, Dominador O.