000 00415 a2200145 4500
020 _a0829249524
082 _a510
_bHAR
100 _aHaenisch, Siegfried
_961596
245 _aRiverside mathematics
_b: Teacher's problem solving resource book
_cSiegfried Haenisch
260 _aU.S.A.:
_bTeh Riverside publishing company,
_c1985.
300 _a32p.
546 _aEng
650 _aMathematics
_9199450
942 _cBK
999 _c135552
_d135552