Swaab,Alexander M. <br/><br/>
School administrator's guide to flexible modular scheduling/ 
Alexander M. Swaab ; illustrations by Judith Bleda Yager. 
 - West Nyack, N.Y.:  Parker Publishing Company,  1974. 
 - 205 p. :   ill.  ;   24 cm. 
<br/><br/> Includes index. 
<br/><br/>p.197-202. 
<br/><br/><label>ISBN: </label>0137924739 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Schedules, School.