Readings for enrichment in secondary school mathematics/ 
edited by Max A. Sobel. 
 - Reston, Va.:  National Council of Teachers of Mathematics,  c1988. 
 - v, 258 p.:  ill.;  23 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>087353252X (pbk.) 
<br/><br/><label>LCCN: </label>87034855 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics---Study and teaching (Secondary)
<br/><br/><label>Dewey Class. No.: </label>510.7  / R287