Howard, Daniel. Encyclopaedia of organic farming / by Daniel Howard et. al. - New Delhi : Dominant Publications, 2008. - 6 volumes : ill. ; 22 cm. ISBN: 8178885395 9788178885391 Subjects--Topical Terms: NutritionAgricultureEducationOrganic farming Dewey Class. No.: R 631.58403 / HOW P08E