00524nam a2200157Ia 450000500170000000800410001704100080005808200150006610000200008124500420010126000450014330000090018865000200019799900190021795201300023620250729165408.0250729s2005    xx            000 0 und d  aeng  a500.7 SENE  aSen B R9222756  aEffective methods of Teaching Science  aNew DelhibCommonwealth Publishersc2005  a223p  aScience9222757  c235596d235596  00104070aALbALd2025-07-29eSita Book Houseg120.00l0o500.7 SENEpBED00915r2025-07-29 16:54:08v120.00w2025-07-29yBK