a Mohammed, Ahmed \a Inna and Edxrf Analysis of Soil Infiltration Rate Due to Vertical Migration of Leachate at Unguwar Dosa Dumpsites Kaduna North \h [Text] \c by Ahmed Mohammed - \a Zaria: \b Dept. of Physics ABU, \c 2015 - \a xv,114leaves.: \b ill. \a Faculty of Science \a Includes bibliographical references LC Class. No.: \a TD 793.27.N6 Moh / \b 499614