a Joshua, Silas \a Spatio-Temporal Variation in the Perception and Patronage of Traditional Medicine in Kaduna State, Nigeria \h \c by Silas Joshua - \a Zaria: \b Dept. of Geography, ABU \c 2016 - \a xvi,232leaves.: \b ill. \a Faculty of Science LC Class. No.: \a GN 477 Jos / \b 508817