000 00312nam a2200133Ia 4500
005 20250612122145.0
008 250601s1979 xx 000 0 eng d
020 _a0205060463
100 _aRonald C. Doll
245 0 _aCurriculum Improvement
260 _aLondon
_bWIEYVCH
_c1979
300 _a472
942 _2ddc
_cBK
999 _c327
_d327