Lee, Queena N. [author] Eureka! / Queena N. Lee - Pasig City : Anvil Publishing, Inc., c1995. - xv, 211 pages : illustration ; 22 cm. ISBN: 971-27-1242-7 Subjects--Topical Terms: Mathematics--Handbooks, manuals, etc.Mathematics--Psychological aspects. Dewey Class. No.: 510 L477 1995