Morgan, Wendy C. Growing plants without herbicides : chemical free control of unwanted plants / Wendy C. Morgan - Melbourne : Schwartz & Wilkinson, 1990 - 67 p. : ill. ; 18 cm. ISBN: 1863370358 RM16.40 Subjects--Topical Terms: Weeds--Biological control--AustraliaOrganic farming--AustraliaOrganic gardening--Australia