000 00386nam a22001457a 4500
008 250703b |||||||| |||| 00| 0 eng d
020 _a8184110413
050 _aQ 181
_b.S 46
100 _aSingh Chakradharay
245 _aTechniques of Teaching Science
260 _aNew Delhi
_bSonali Publications
_c2019
300 _a200p.
650 _aScience- study and teaching
942 _cBK
999 _c4116
_d4116