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008 170602s1972 us d engd
020 _a0395123488
_q(pbk.)
040 _bgre
_aCY-NiPEI
082 7 _a372.7
_223
245 1 0 _aModern school mathematics structure and use /
_cErnest R. Duncan... [et al.].
260 _aBoston:
_bHoughton Mifflin,
_c1972.
300 _a94 p. :
_bill. ;
_c28 cm.
650 0 _aMathematics
_xStudy and teaching (Elementary)
_911273
700 1 _aDuncan, Ernest R.
_4asn
_94605
710 2 0 _aHoughton Mifflin and Company
_4pbl
_9154339
911 _a022505
_e20170602
_j1972
_n372.7 MOD
_p1
_q15
_r0
_s0
942 _2ddc
_cBK
_h372.7 MOD
999 _c9594
_d9594