Given, David Techniques and methods of ethnobotany : as an aid to the study, e valuation, conservation and sustainable use of biodiversity / David R. Given and Warwick Harris. - London : The Common Wealth Secretariat, 1994. - 148 p. : ill. ; 30 cm. Includes index. ISBN: 0850924057 Subjects--Topical Terms: Ethnobotany Dewey Class. No.: 333.72