Roberts, Patricia,  1936- <br/><br/>
A guide for developing an interdisciplinary thematic unit / 
Patricia L. Roberts, Richard D. Kellough. 
 - Englewood Cliffs, N.J. :  Merrill,  c1996. 
 - x, 276 p. :  ill. ;  28 cm. 
<br/><br/><label>ISBN: </label>013326307X (pbk.) 9780133263077 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Interdisciplinary approach in education--United States.<br/>Lesson planning--United States.
<br/><br/><label>LC Class. No.: </label>LB1570  / .R55 1996 
<br/><br/><label>Dewey Class. No.: </label>375/.001