00565nam a2200193Ia 4500001000700000003000500007005001700012008004100029010001500070020001500085050002000100082001400120100002700134245005100161260006900212300001800281504002800299650004400327151347BIBL20160527195747.0770509s1977 vau b 00010 eng  a 77008611  a08735311830 aQA11b.H44 1977 a510/.7/1210aHess, Adrien L.2Local10aMathematics projects handbookcAdrien L. Hess.0 aReston, Va.bNational Council of Teachers of Mathematicscc1977. a64 p.c23 cm. aBibliography: p. 43-46. 0aMathematicsxStudy and teaching.2Local