00430nam a22001337a 4500003000400000005001700004008004100021040002300062082001300085100002400098245011900122260004300241300001200284OSt20260508012241.0260505b        |||||||| |||| 00| 0 eng d  aDWCL-Main Lib cOC  aFil. 512  aEsparrago, Mirla S.  aNext century mathematics: advanced algebra, trigonometry and statistics b[teacher's guide] /cEsparrago, Mirla S.  aQuezon City : bPhoenix Pub., cc2007.  a280 p :