000 00414nam a2200109 4500
245 _aMathematical problem solving papers from a reseadch workshop
_cedited by Larry L. Hatfield and David A. Bradbard
710 _aHatfield, Larry L.
710 _aBradbard, David A.
260 _aOhio
_bERIC Claeringhoues for science Mathematics and Environmental Education
_c1978
300 _aix,89p.; 22cm.
082 _a510.72
_bHAT
999 _c63968
_d63968