00478nam a2200157Ia 4500008004100000020001300041082001600054100002700070245007600097250000800173260004500181300002600226500001900252600003300271650001600304240925s9999    xx            000 0 und d  a23962623  a510.712 POS  aPosamentier ,Alfred S. 0aTeaching Secondary School mathematics: techniques and enrichment units   a4th  aNew Jersey:bPrintice- Hall Int.c,1995.  ax,517p.bNAfOriginal  aIncludes Index  aHumanities & Natural Science  aMathematics