000 00377nam a2200157Ia 4500
008 231221s9999 xx 000 0 und d
041 _aEnglish
082 _a372.35 DAS;1 R
100 _aDas, R C
245 0 _aScience teaching in schools
250 _a2nd ed.
260 _c1985
_bsterling
_aNew Delhi
300 _axv+264
650 _ateaching,schools
942 _cED
999 _c206798
_d206798