000 00353nam a2200145Ia 4500
003 PTTI
005 20251207204907.0
008 251207s9999 xx 000 0 und d
020 _c95
040 _aPTTI
245 0 _alesson planning in science
_cR. B. Agarwal
260 _bAPH Pub. corporation
_aNew Delhi
_c2014
300 _a126
_bP. B. K
942 _cDELED
999 _c344
_d344