000 00405nam a2200133 4500
082 _a370
_bBHA.S
084 _2Colon Classification
100 _aBhatt, Puran Chandra
245 _aScience process skills in teaching and learning /
_cby Puran Chandra Bhatt
260 _aNew Delhi :
_bCommonwealth publication,
_c1988.
300 _a295p. :
650 _aScience, study and teaching
_zIndia
942 _cBK
999 _c677069
_d677069