000 | 00312nam a2200121Ia 4500 | ||
---|---|---|---|
008 | 220421s1992 xx 000 0 und d | ||
020 | _a8170416329 | ||
041 | _aeng | ||
082 |
_a507 _bJOS/TEA |
||
100 |
_aYadav, M. S. _9574381 |
||
245 | _aTeaching of Science | ||
260 |
_aNew Delhi _b Anmol Publication _c1992 |
||
999 |
_c400760 _d400760 |