000 00376nam a2200157Ia 4500
008 200305s9999 xx 000 0 und d
020 _a978-93-86262-81-3
082 _a373.1
082 _bNAP
100 _aNATH BAIJU K.
245 _aPADAGOGY OF SCIENCE : AT SECONDARY LEVEL
260 _aNEW DELHI
_bSHIPRA PUB
300 _a216
650 _aEDUCATION
999 _c40041
_d40041
041 _aeng