000 00356nam a2200145Ia 4500
003 LDD
008 181029s9999 xx 000 0 und d
040 _cLDD
100 _aSOOD, J.K.
245 0 _aNew directions in science teaching
_cJ.K. SOOD
260 _aChandigarh
_bKohli
_c1989
300 _aviii,326p.
901 _a219
_b05-02-1996
942 _2ddc
_cBK
999 _c45517
_d45517