Roberts, Patricia A guide for developing interdisciplinary thematic units - 4th ed - Upper Saddle River, N.J: Pearson Merrill Prentice Hall, 2008 - xvi, 283 p. : ill. ; 28 cm ISBN: 9780131755017 Subjects--Topical Terms: Interdisciplinary approach in education - United States Dewey Class. No.: 375.001 ROB