000 00381nam a2200145 4500
082 _a370
_bJHI.S
084 _2Colon Classification
100 _aJhingan, M L
245 _aSchool mathematics project :
_bTeachers guide /
_cby M L Jhingan
246 _aThe school mathematics project
260 _bRam and son,
_c1971.
300 _a177p. :
650 _aEducation
942 _cBK
999 _c683668
_d683668