00375nam a22001337a 450000500170000000800410001702000180005810000330007624500310010925000120014026000410015294200330019399900150022620261106134214.0261106b        |||||||| |||| 00| 0 eng d  a9789781758003  aMaria N. David osuagwu, PhD   aUnderstanding mathematics   bSecond   bAfrican firsts publisher's plcc2018  alcceSultan musa f6/11/2026  c1631d1631