Wiggins, Grant. Understanding by design / Grant Wiggins and Jay McTighe. - 2nd edition. - Alexandria, VA : Association for Supervision and Curriculum Development, 2005. - xi, 370 pages : illustrations ; 28 cm. Includes index and glossary. ISBN: 00131950843 Subjects--Topical Terms: Curriculum Planning--United States Dewey Class. No.: DK12 375.73 / W655