Hammill, Donald D.,   1934- <br/><br/>
The resource room :  rationale and implementation Donald D. Hammill and J. Lee Wiederholt. 

 - Pennsylvania, Buttonwood Farms :  Philadelphia,   1972. 
 - 68p. ;   23cm 
<br/><br/>Bibliography: p.63-68. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Handicapped children--Education.<br/>School facilities.