Obara, Geoffrey. Characterisation and improvement of gravel for enhanced pavement per formance in Hoima District / Obara Geoffrey. - Kampala, 2006 - xi, 97 p. : ill. ; 30 cm. Thesis (M. Eng., Civil. ) - Makerere University, 2006. Includes bibliographical references (p.65) Subjects--Topical Terms: Roads, Gravel -- Hoima District. Pavement -- Performance -- Hoima District. Dewey Class. No.: U 625.82 OBA