000 00424nam a2200157Ia 4500
008 210210b1991 xxu||||| |||| 00| 0 eng d
020 _a81 7054 142 5
082 _a530.072 PANP
100 _aPANDEY (N N).
245 _aPerspective in physics education: a piagetian approch.
260 _aND
_bClassical Publishing Co
_c1991
300 _axii,280
650 _aPhysics education
690 _aPhysics
906 _a051542
999 _c100253
_d100253