Ongelech, Francis. In vitro efficacy of selected plant extracts against natural tick in festation in cattle / Francis Ongelech. - Kampala, 2011 - ix, 44 p. : ill. ; 30 cm. Un-published thesis M.Sc. (LDPM) - Makerere University. Includes bibliographical references. Subjects--Topical Terms: Livestock--Diseases.Tick control. Dewey Class. No.: 636.0892