Barker, Allen V.
Science and technology of organic farming - Boca Raton CRC Press 2010 - xv, 224 p.
9781439816127
Organic farming
631.584 / BAR
Science and technology of organic farming - Boca Raton CRC Press 2010 - xv, 224 p.
9781439816127
Organic farming
631.584 / BAR