000 00331nam a2200133Ia 4500
008 210901s1969 xx 000 0 eng d
082 _a373 BEN
100 _aBenjamin, H.
245 0 _aPrinciples of secondary education
260 _aLondon
_bMcGraw Hill
_c1969
300 _a542
650 _aEducation,Secondary
942 _2ddc
_cBK
999 _c3582
_d3582