Sumner, Gerald C., <br/><br/>
Project R-3 allocation of students among groups./ 
G.C. Sumner. 
 - iii, 8 pages :  illustrations ;  28 cm 
 - The Rand paper series ;  P-4584 .
 - Rand paper series ;  P-4584 .
<br/><br/><label>ISBN: </label> Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Class size.<br/>School management and organization.