ISBN-13: 9781412961318 / Angielski / Miękka / 2008 / 336 str.
ISBN-13: 9781412961318 / Angielski / Miękka / 2008 / 336 str.
Based on the premise that every learner is somewhere on a path toward expertise in a content area, this title promotes a curriculum model for developing the abilities of the various students and extending the abilities of students who perform at advanced levels.