Barnard, C. J. Asking questions in biology : a guide to hypothesis testing, experimental design and presentation in practical work and research projects / Chris Barnard, Francis Gilbert, and Peter McGregor. - 5th ed. - x, 248 p. ; illustrations ; 25 cm Includes bibliographical references and index. ISBN: 9781292085999 (pbk.) LCCN: 2016040750 Subjects--Topical Terms: Science--Methodology.Biology--Methodology. Dewey Class. No.: 507.24 / BAR