Paul Kristiansen Organic Agriculture : A Global Perspective - Wallingford CABI Publishing 2006 - 449p Paul Kristiansen; Acram Taji & John Reganold: Organic Agriculture : A Global Perspective. Wallingford. CABI Publishing, 2006. 1-845931-69-6--(631.584KRI) ENGLISH ISBN: 1-845931-69-6 Dewey Class. No.: 631.584 / KRI