00728nam a2200181   4500003000700000005001700007008004100024041000800065080000700073100002400080245009600104264009900200300001500299490006300314653003500377653011000412700002400522Ge_NSL20180618150423.0180618s1965    us ||||| |||| 00| 0 eng d  aeng  a51  aBrown,  Kenneth E.   aAnalysis of research in the teaching of mathematics /cKenneth E. Brown, Theodore L. Abell.  aWashington : bU. S.  Department of health, education and welfare, Office of education,c1965.  avii, 29 p.  aEric Reports; United States; Office of Education; Bulletin  aმათემატიკა  aმათემატიკის სწავლების კვლევის ანალიზი  aAbell, Theodore L.