Handbook of research on school supervision / 
 School supervision 
edited by Gerald R. Firth, Edward F. Pajak. 
 - New York :  Macmillan Library Reference USA,  1998. 
 - xxix, 1298 p. :  ill. ;  29 cm. 
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>0028646622  RM442.20 
<br/><br/><label>LCCN: </label>97-036964 
<br/><br/><label>Subjects--Topical Terms: </label><br/>School supervision--Research--United States--Handbooks, manuals, etc.<br/>School supervision--United States--Handbooks, manuals, etc.