00722nam a2200217Ia 4500001000700000003000500007005001700012008004100029010001500070020001500085050001500100082001300115100002500128245008100153260006900234300002900303504003000332650004400362650004200406710005600448151346BIBL20180920020600.0770420s1977 vaub b 00100 eng  a 77007287  a08735311910 aQA11b.I46 a510/.7/110aOsborne, Alan2Local03aAn In-service handbook for mathematics educationcedited by Alan R. Osborne.0 aReston, Va.bNational Council of Teachers of Mathematicscc1977. axii, 259 p.bmapc23 cm. aBibliography: p. 255-259. 0aMathematicsxStudy and teaching.2Local 0aTeachersxIn-service training.2Local20aNational Council of Teachers of Mathematics.2Local