Campbell, David N, <br/><br/>
A practical guide to the open classroom /David N. Campbell. 

 - Dubuque, Iowa :  Kendall/Hunt,  (c)1973. 
 - viii, 103 pages ;  28 cm. 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Open plan schools--Handbooks, manuals, etc.
<br/><br/><label>LC Class. No.: </label>LB1029  / .P733 1973 LB1029